Evaluate the function for the indicated input and interpret the result.A(12, 28) where A(w,?) = w?. (A computes the area of a rectangle with width w and length ?.)
A. A(12, 28) = 672
The area of a rectangle with width 28 and length 12 is 672.
B. A(12, 28) = 336
The area of a rectangle with width 12 and length 28 is 336.
C. A(12, 28) = 168
The area of a rectangle with width 28 and length 12 is 168.
D. A(12, 28) = 168
The area of a rectangle with width 12 and length 28 is 168.
Answer: B
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A function f(x) and the numbers L, x0, and ? > 0 are given. Find the greatest value for src="https://sciemce.com/media/4/ppg__tttt0613191435__f1q172g6.jpg" style="vertical-align: -4.0px;" />,
such that for all x satisfying 
the inequality 
holds.f(x) = 
,
L = 
x0 = 7,
? = 1
A. 16
B. 5
C. 4
D. 7
Find the value for the function.Find -f(x) when f(x) = -2x2 - 5x - 4.
A. -2x2 + 5x + 4 B. 2x2 + 5x - 4 C. -2x2 + 5x - 4 D. 2x2 + 5x + 4
Solve the problem.Mary had 8 strings of beads, each having 175 beads. She restrung them such that she had 5 strings, each having the same number of beads again. How many beads did she have on each string?
A. 40 B. 280 C. 175 D. 1400
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.-3-2
A. - 
B. 9
C. 
D. -9