Simplify the expression. Assume that all variables are positive when they appear.
A. 5
B. 5
C. 
D. 
Answer: D
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Provide an appropriate response.If the derivative of an even function f(x) is zero at x = c, can anything be said about the value of f' at 
Give reasons for your answer.
What will be an ideal response?
Solve the problem.An item is originally priced to sell for $55 and is marked down 20%. A customer has a coupon for an additional 5%. What is the total percent reduction for this item? Give the net decimal equivalent and total percent reduction.
A. 0.76; 24% B. 0.25; 75% C. 0.75; 25% D. 0.24; 76%
Find the equation that the given graph represents.
A. f(x) = (x + 6)4 B. f(x) = x4 - 3x2 + 6 C. f(x) = -x4 + 3x2 + 6 D. f(x) = -x3 - 6x2 - x + 6
Find the simple interest. Assume a 360-day year. Round results to the nearest cent.$19,760 at 2.75% for 66 days
A. $19,859.62 B. $543.40 C. $99.62 D. $98.11