Solve the system by graphing.4x + y = -13 x + 4y = 8
A. (4, 3)
B. (-4, 3)
C. (-3, -1)
D. (-4, -5)
Answer: B
Mathematics
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Write the expression as the logarithm of a single quantity.ln (8x + 4) - 2 ln 2
A. ln (2x + 2) B. ln (16(2x + 1)) C. ln (2x + 1) D. ln (8x)
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics
Find a formula for the inverse of the function described below.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is 
.
A. f-1(x) = x + 32
B. f-1(x) = 
(x + 32)
C. f-1(x) = 
(x - 32)
D. f-1(x) = 
x + 32
Mathematics
Change the logarithmic expression to an equivalent expression involving an exponent.log1/5125 = -3
A. (-3)1/5 = 125
B. 
-3 = 125
C. 
3 = 125
D. 1251/5 = 3
Mathematics