Another Multi. Choice Problem


Question 1 of 20
0.0/ 5.0 Points
Graph the part by making a consultation of coordinates.

f(x) = x
A.  
B.  
C.  
D.  



Question 2 of 20
0.0/ 5.0 Points
Use the graph of log5x to gain the graph of f(x) = 2log5x.
A.  
B.  
C.  
D.  



Question 3 of 20
0.0/ 5.0 Points
The hanker bounce annals, in feet, at a detail train can be modeled by  where x is the reckon of years past annalss began to be kept at the train. What is the annals for the hanker bounce 14 yearsfollowing annals started being kept? Round your reply to the rectilinear tenth.
A. 20.3 feet  
B. 23.7 feet  
C. 24.1 feet  
D. 23.9 feet  



Question 4 of 20
0.0/ 5.0 Points
The rabbit population in a grove area grows at the blame of 7% monthly. If there are 180 rabbits in September, ascertain how multifarious rabbits (rounded to the rectilinear integral reckon) should be expected by instant September. Use .
A. 402  
B. 408  
C. 428  
D. 415  



Question 5 of 20
0.0/ 5.0 Points
Solve the logarithmic equation. Be trusting to repel any appreciate that is not in the lordship of the primordial logarithmic indications. Give the suitable reply. ln (x - 6) + ln (x + 1) = ln (x - 15)
A. {3, -3}  
B. {-3}  
C. {3}  
D. Ø  



Question 6 of 20
5.0/ 5.0 Points
Solve the logarithmic equation. Be trusting to repel any appreciate that is not in the lordship of the primordial logarithmic indications. Give the suitable reply.

log6x2 = log6(5x + 36)
A.  
B. {9}  
C. Ø  
D. {9, -4}  



Question 7 of 20
0.0/ 5.0 Points
Evaluate or facilitate the indication outside using a calculator. log 1000
A. 3  
B. 30  
C.  
D.  



Question 8 of 20
5.0/ 5.0 Points
Use the graph of f(x) = log x to gain the graph of g(x) = log x + 5.
A.  
B.  
C.  
D.  



Question 9 of 20
0.0/ 5.0 Points
The logistic enlargement part f(t) = models the reckon of persons who feel befit ill following a while a detail infection tweeks following its judicious outburst in a detail fraternity. How multifarious persons were ill following 9 weeks?
A. 88,450 persons  
B. 87,000 persons  
C. 84,502 persons  
D. 540 persons  



Question 10 of 20
5.0/ 5.0 Points
Use the graph of f(x) = ln x to gain the graph of g(x) = -4 - ln x.
A.  
B.  
C.  
D.  



Question 11 of 20
0.0/ 5.0 Points
The fashionula S = A models the appreciate of a solitude recital, where A = the reckon of dollars adventitious to the solitude recital each year, r = the annual curiosity-behalf blame, and S = the appreciate of the solitude recital following t years. If the curiosity-behalf blame is 11%, how abundantly get the recital be rate following 15 years if $2200 is adventitious each year? Round to the rectilinear integral reckon.
A. $86,218  
B. $168,418  
C. $11,675  
D. $35,200  



Question 12 of 20
0.0/ 5.0 Points
Solve the logarithmic equation. Be trusting to repel any appreciate that is not in the lordship of the primordial logarithmic indications. Give the suitable reply.

ln (x - 8) - ln (x + 7) = ln (x - 10) - ln (x + 8)
A.  
B.  
C. {-2}  
D.  



Question 13 of 20
0.0/ 5.0 Points
Solve the logarithmic equation. Be trusting to repel any appreciate that is not in the lordship of the primordial logarithmic indications. Give the suitable reply.

log6(5x - 5) = log6(3x + 7)
A. {1}  
B. {6}  
C. Ø  
D. {2}  



Question 14 of 20
0.0/ 5.0 Points
Write the equation in its equipollent logarithmic fashion.

23= x
A. log2x = 3  
B. log23 = x  
C. logx2 = 3  
D. log3x = 2  



Question 15 of 20
0.0/ 5.0 Points
Use Newton's Law of Cooling, T = C + (T0 - C.ekt, to work-out the example A cup of coffee following a while air 102°F is placed in a freezer following a while air 0°F. Following 8 minutes, the air of the coffee is 52.5°F. What get its air be 13 minutes following it is placed in the freezer? Round your reply to the rectilinear quantity.
A. 32°F  
B. 29°F  
C. 35°F  
D. 27°F  



Question 16 of 20
0.0/ 5.0 Points
Use the mixture curiosity-behalf fashionulas A = P nt and A = Pertto work-out. Suppose that you feel $11,000 to endow. Which endowment foregos the elder retaliate aggravate 10 years: 6.25% mixtureed uniformly or 6.3% mixtureed semiannually?
A. Both endowment plans forego the selfselfcorresponding retaliate.  
B. $11,000 endowed at 6.3% mixtureed semiannually aggravate 10 years foregos the elder retaliate.  
C. $11,000 endowed at 6.25% mixtureed uniformly aggravate 10 years foregos the elder retaliate.  



Question 17 of 20
0.0/ 5.0 Points
The pH of a disintegration ranges from 0 to 14. An pungent has a pH near than 7. Pure steep is unavowed and has a pH of 7. The pH of a disintegration is dedicated by pH = -logx where x represents the concentration of the hydrogen ions in the disintegration in moles per liter. Ascertain the pH if the hydrogen ion concentration is 1 x 10-1
A. 13  
B. 1  
C. -13  
D. -1  



Question 18 of 20
0.0/ 5.0 Points
A fossilized leaf contains 15% of its typical whole of carbon 14. How old is the fossil (to the rectilinear year)? Use 5600 years as the half-life of carbon 14. Work-out the example.
A. 35,828  
B. 15,299  
C. 1311  
D. 21,839  



Question 19 of 20
0.0/ 5.0 Points
Use the graph of log5x to gain the graph of f(x) = 2 + log5x.
A.  
B.  
C.  
D.  



Question 20 of 20
5.0/ 5.0 Points
Graph the parts in the selfselfcorresponding across coordinate order.

f(x) = x and g(x) = log1/4 x
A.  
B.  
C.  
D.