Solve the problem using a basic geometric formula. Use the formula A = lw to find the area of the rectangle.
A. 10x15
B. 10x8
C. 21x15
D. 21x8
Answer: D
Mathematics
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point 
for ex2cos yz = 0.
A. - 2
B. 
C. - 
D. 2
Mathematics
Find the sum.
A. 3.938 B. 1.969 C. 58.969 D. 1.313
Mathematics
Express the given function H as a composition of two functions f and g such that H(x) = (f ? g)(x).H(x) = 
+ 1
A. f(x) = x + 1, g(x) = 
B. f(x) = x, g(x) = 
+ 1
C. f(x) = 
, g(x) = 1
D. f(x) = 
, g(x) = 
+ 1
Mathematics
Solve.x5 - 25x3 ? 0
A. (-?, -5] ? [5, ?) B. [-5, ?) C. [-5, 0] ? [5, ?) D. (-?, -5] ? [0, 5)
Mathematics