Find the average rate of change for the function between the given values.f(x) = 8x3 - 2x2 + 2; from -5 to 3
A. 156
B. 
C. 416
D. 25
Answer: A
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The demand equation for a certain brand of metal alloy audiocassette tape is 
, where x represents the number (in thousands) of ten-packs demanded each week when the unit price is $p.
?
How fast is the quantity demanded increasing when the unit price/ten-pack is $20 and the selling price is dropping at the rate of $.11/ten-pack/week? Round your answer to the nearest integer.
?
Hint: To find the value of x when p = 20, solve the equation 
for x when p = 20.
?
A. Increasing at the rate of 93 ten packs/wk.
B. Increasing at the rate of 82 ten packs/wk.
C. Increasing at the rate of 66 ten packs/wk.
D. Increasing at the rate of 31 ten packs/wk.
Locate the fraction on the number line.- 
, 
A.
 ? | -  |
B.
-  |  |
C.
-  |  |
D.
-  |  |
Divide.
A. 216 R 5 B. 213 R 5 C. 216 R 20 D. 213
Solve the system of equations. [Hint: Let u = 
and v = 
, and solve for u and v. Then let x = 
, and y = 
.]
A. x = 
, y = -8; 
B. x = -8, y = 
; 
C. x = - 
, y = 
; 
D. x = 
, y = - 
; 