Find the average value of the function f over the given region.f(x, y) = 7x + 2y over the square 0 ? x ? 1, 0 ? y ? 1.
A. 8
B. 
C. 
D. 9
Answer: B
Mathematics
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Find the derivative of the function at the given point in the direction of A.
A = 3i - 4j
A. - 116 B. - 188 C. - 224 D. - 152
Mathematics
Solve the problem.Jane Clark borrowed some money from her bank. After 157 days, she paid a maturity value of $15,216, which included interest of $702. Find the interest rate on her loan.
A. 10.9% B. 11.1% C. 12.0% D. 10.6%
Mathematics
Simplify.-13 + 18 - (-6) - 13 + (-3)
A. -5 B. 9 C. 21 D. -21
Mathematics
Find all x-intercepts of the function.f(x) = 2x1/2 - 7x1/4 - 15
A. (625, 0)
B. (-5, 0), (-3, 0)
C. (5, 0), (- 
, 0)
D. (625, 0), (
, 0)
Mathematics