Solve.Find the area of the window. If necessary, use ? ? 3.14 and round your result to the nearest tenth.
6 ft
A. 179 sq ft
B. 122.5 sq ft
C. 70.7 sq ft
D. 31.1 sq ft
Answer: D
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Graph the function f by starting with the graph of y = x2 and using transformations (shifting, compressing, stretching, and/or reflection).f(x) = - 
x2 
A. 
B. 
C. 
D. 
Use the Intermediate Value Theorem to determine whether the polynomial function has a zero in the given interval.f(x) = 10x3 - 10x - 2; [1, 2]
A. f(1) = 2 and f(2) = -58; yes B. f(1) = -2 and f(2) = -58; no C. f(1) = 2 and f(2) = 58; no D. f(1) = -2 and f(2) = 58; yes
Write out the sum.
A. 1 + 2 + 3 + ... + n B. n + 20 C. 21 + 22 + 23 + ... + (n + 20) D. 20 + 21 + 22 + ... + (n + 20)
Solve the problem.Barbara knows that she will need to buy a new car in 4 years. The car will cost $15,000 by then. How much should she invest now at 3%, compounded quarterly, so that she will have enough to buy a new car?
A. $13,309.76 B. $14,132.76 C. $12,939.13 D. $13,727.12