Solve the system of equations by the substitution method.
A. (16, -4)
B. (-4, 16)
C. infinite number of solutions
D. no solution
Answer: A
Mathematics
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Evaluate the expression for the given value of x.
?
A.
B.
C.
D. 48
E. -48
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Find the derivative of the function.y =
A. y' =
B. y' =
C. y' =
D. y' =
Mathematics
Find f'(x) for the function, then find f'(x) for the given x.f(x) = - , f'(2)
A. f'(x) = 3x2; f'(2) = 12
B. f'(x) = ; f'(2) =
C. f'(x) = - ; f'(2) = -
D. f'(x) = 3x; f'(2) = 6
Mathematics
Establish the identity.cot(x + y) cot(x - y) =
What will be an ideal response?
Mathematics