Solve the logarithmic equation.log (x + 9) = 1 - log x
A. -10, 1
B. -1
C. 1
D. -1, 10
Answer: C
Mathematics
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Use a grapher to help determine whether or not the given functions are inverses of each other.f(x) = 0.6x2 - 3; g(x) = 
A. Yes B. No
Mathematics
Graph the polar equation.r = 2(1 + 3 sin ?)
A. 
B. 
C. 
D. 
Mathematics
Determine the slope and the y-intercept.y = -3x + 3.5
A. Slope -3, y-intercept (0, -3.5) B. Slope 3, y-intercept (0, 3.5) C. Slope -3, y-intercept (0, 3.5) D. Slope 3.5, y-intercept (0, -3)
Mathematics
The consumer expenditure 
for a commodity is the product of its market price 
and the number of units demanded 
. Suppose that for a certain
commodity, the consumer expenditure is given by 
. Factor this in order to find an expression for the number of units demanded 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics