Evaluate the exponential function at the specified value of x.f(x) = 2x, x = -5
A. -3
B. 10
C. 
D. 
Answer: D
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Solve the problem.If you raise 9 to the 387th power, what is the units digit of the result?
A. 1 B. 6 C. 9 D. 7
Write the equation of a line that passes through the given point and is parallel to the given line. Write the equation in slope-intercept form and in the form of 
where A, B, and C are integers and A > 0.(2, 5); x + y = 12
A. y = x - 3 x - y = 3 B. y = -x - 7 x + y = -7 C. y = x + 3 x - y = -3 D. y = -x + 7 x + y = 7
Use rational equations to solve the problems.If 27% of Karen's gross monthly salary results in total deductions of $700.80, then what is her gross monthly salary?
A. $5,191.11 B. $2,336.00 C. $2,855.11 D. $2,595.56
Which subtraction model (take-away, missing addend, comparison, or measurement) corresponds best to the problem?Last year the hatch-back model of a new car cost $18,022. This year's model costs $19,256. How much more does this year's model cost?
A. Measurement B. Missing addend C. Take-away D. Comparison