In the given formula, determine which letter represents the input variable and which letter represents the output variable.2(7 - 8w) = z
A. 7 = input, w = output
B. z = input, w = output
C. 8 = input, z = output
D. w = input, z = output
Answer: D
Mathematics
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Simplify by combining like terms.2a + 7 - 9ab - 4ab - 8a
A. -6a - 13ab + 7 B. -6a + 13ab + 7 C. -6a - 5ab + 7 D. 6a - 13ab + 7
Mathematics
A tricycle has a large wheel in front, with radius 18", and a small wheel in back, with radius 6". If the large wheel makes 3 revolutions, how many revolutions does the small wheel make?? ?
A. ?3 B. ?6 C. ?9 D. ?24 E. ?18
Mathematics
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (x + 8)x
A. x ln(x + 8)
B. (x + 8)x
C. ln(x + 8) + 
D. x + (8)x-1
Mathematics
Identify the radicand.
A. 
B. 
C. y - 5
D. y + 5
Mathematics