Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. (0, 6)
B. (0, -3)
C. (0, 15)
D. none
Answer: B
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Subtract. Write the answer in lowest terms as a mixed number.
A. 17
B. 18
C. 17
D. 16
Write the number as a product of a real number and i. Simplify the radical expression.
A. -2i
B. -i
C. 2i
D. ± 2
Solve the problem.Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below. Find the equation of the least-squares regression line that models the data.
A. y ? 0.930 - 19.4x B. y ? 19.4 + 0.930x C. y ? -0.930 + 19.4x D. y ? -19.4 - 0.930x
Solve the problem.An auto repair shop charged a customer $532 to repair a car. The bill listed $92 for parts and the remainder for labor. If the cost of labor is $55 per hour, how many hours of labor did it take to repair the car?
A. 7 hr B. 9 hr C. 8.5 hr D. 8 hr