Find the derivative.y = -2e4x
A. -8e4x
B. -8xe4x
C. -2e-8x
D. -2xe-8x
Answer: A
Mathematics
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Solve the equation.
- 
= 7
A. 10
B. 
C. 14
D. 35
Mathematics
Determine whether or not the function is one-to-one.f(x) = 8x + 7
A. Yes B. No
Mathematics
Find an equation of the line that contains the given point and is parallel to the given line.-3x - y = 5, (-5, -8)
A. y = -3x - 23 B. y + 8 = mx + 5 C. y = -3x + 23 D. y + 8 = x + 5
Mathematics
Assume that x, y, and a are positive numbers. Use the properties of logarithms to write the expression 
in terms of the logarithms of x and y.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics