Solve the equation.
- x = 5
A. -7
B. 7
C. 6
D. -6
Answer: B
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y) = ln 
A. 
= 
; 
= 
B. 
= -ln
; 
= ln 
C. 
= -ln 
; 
= ln 
D. 
= - 
; 
= 
Mathematics
Given that the polynomial function has the given zero, find the other zeros.f(x) = x3 + 8x2 - 18x + 20; 1 + i
A. -10, 10 B. 1 - i, -10 C. 1 - i, 10 D. 1 - i, 10i
Mathematics
Graph the function.y = -x2 + 3
A. 
B. 
C. 
D. 
Mathematics
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Mathematics