Solve.
= 3
A. 0
B. 15
C. 7
D. 8
Answer: B
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Provide an appropriate response.Consider the quartic function f(x) = ax4 + bx3 + cx2 + dx + e, a ? 0. Must this function have at least one critical point? Give reasons for your answer. (Hint: Must 
for some x?) How many local extreme values can f have?
What will be an ideal response?
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies directly with x. When x = 6, then y = 54.
A. k = 48; y = x + 48
B. k = 6;y = 6x
C. k = 
; y = 
x
D. k = 9; y = 9x
Solve the problem.The gross national product for the United States was 
. Round this amount to the nearest ten-million.
A. $56,465,826,926,000 B. $56,465,827,000,000 C. $56,465,830,000,000 D. $56,465,800,000,000
Write the following in terms of sin ? and cos ? and then simplify if possible.
?
What will be an ideal response?