Solve the problem.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Fahrenheit to those in Celsius is 
Fahrenheit. Find a formula for the inverse of the function described.
A. f-1(x) = 
x - 32
B. f-1(x) = 
(x - 32)
C. f-1(x) = x + 32
D. f-1(x) = 
x + 32
Answer: D
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y, z) = ln (xy)z
A. 
= - 
; 
= - 
; 
= ln (xy)
B. 
= z ln 
; 
= zln
; 
= ln (xy)
C. 
= 
; 
= 
; 
= ln (xy)
D. 
= 
; 
= 
; 
= z ln (xy)z-1
Mathematics
Evaluate the expression without a calculator.log1818
A. 10 B. 1 C. 0 D. 18
Mathematics
Solve the problem. Round to the nearest unit.566 is 11.1% of what?
A. 509,900 B. 1 C. 5,099 D. 50,990
Mathematics
Graph the function.y = sec 
A. 
B. 
C. 
D. 
Mathematics