Solve the problem.A box has a volume of 980 in.3. The length is 7 in. and the width is 20 in. Find the height. (Use V = lwh)
A. 8 in.
B. 11 in.
C. 5 in.
D. 7 in.
Answer: D
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Use series to evaluate the limit.
A. 5 B. 1 C. -5 D. -1
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?
Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.x2 + 10x - 24 = 0
A. Factoring; -12, 2
B. Square root principle or factoring; 12, 2
C. Quadratic formula; -2 ± i
D. Square root principle; -12 ± 2
Perform the operations. (-2yn - 3y + 4n) + (-5yn + 3y - 7n) - (5yn + 9y + 5n)
A. -2yn - 15y + 6n B. -2yn + 9y + 2n C. -8yn - 3y - 16n D. -12yn - 9y - 8n