Solve the problem.Suppose that f(x) = 2x. What is f(3)? What point is on the graph of f?
A. 8; (3, 8)
B. 8; (3, 2)
C. 9; (2, 9)
D. 9; (3, 9)
Answer: A
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Determine the equation of the given line, as well as the slope of the line. If the slope is undefined, state this.
A. y = x - 8, m = 1 B. y = -4, m = 0 C. x = -4, m = 0 D. y = x - 4, m: undefined
The value V, in dollars, of a certain investment after t years is given in the table below. Use exponential regression to determine the percentage decrease in the value of the investment over any 5-year period. Round your answer to two decimal places. t 1 4 7 10 13 V 1,923.61 1,267.27 835.09 550.22 362.38?
A. 65.60% B. 65.00% C. 50.16% D. 51.12%
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.20x2 + 23x + 6
A. prime B. (4x + 3)(5x + 2) C. (20x + 3)(x + 2) D. (4x - 3)(5x - 2)
Collect like terms.-11x2 - 9x - 2x
A. -11x2 + 7x B. -11x2 - 11x C. -11x2 - 7x D. -22x3