Use synthetic division to find the function value.f(x) = x4 - 64; find f(1 - 
).
A. -47 - 
B. -47 - 12
C. 64 - 12
D. -47 - 8
Answer: B
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Solve the problem.The number of births in County A has been increasing in recent years. Use the information given in the bar graph for the years 1960 and 1990, letting x = 0 represent the year 1960 and letting y represent the number of births. Use the graph to estimate the number of births in 1970.
A. 1900 B. 1825 C. 1850 D. 1950
Productivity and yield of cultivated crops are often reduced by insect pests. The following graph shows the relationship between the yield of a certain crop, f(x), as a function of the density of aphids x. (Aphids are small insects that suck plant juices.) Here, f(x) is measured in kilograms/ 4,000 square meters, and x is measured in hundreds of aphids/bean stem. By computing the slopes of the respective tangent lines, estimate the rate of change of the crop yield with respect to the density of aphids when that density is 200 aphids/bean stem and when it is 800 aphids/bean stem.
?
?
A. - 0.5 when it is 200 aphids/bean stem,- 1.333 when it is 800 aphids/bean stem
B. 00.5 when it is 200 aphids/bean stem,01.333 when it is 800 aphids/bean stem
C. 02 when it is 200 aphids/bean stem,00.75 when it is 800 aphids/bean stem
D. - 2 when it is 200 aphids/bean stem,- 0.75 when it is 800 aphids/bean stem
Describe the solution set as an inequality and in interval notation. |4x + 2| < 8
A. x < - 
or x > 
; 
? 
B. x < - 
or x > 
; 
? 
C. - 
< x < 
; 
D. - 
< x < 
; 
Approximate the expression to the nearest thousandth.
A. 24.018 B. -22.006 C. 22.006 D. -24.017