Determine the slope and the y-intercept.f(x) = -4x + 5
A. Slope 5, y-intercept (0, -4)
B. Slope 4, y-intercept (0, 5)
C. Slope -4, y-intercept (0, 5)
D. Slope 5, y-intercept (0, 4)
Answer: C
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Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x3 - 9x2 + 23x - 15
A. (x + 1)(x - 3)(x + 5) ; -1, 3, -5 B. (x - 1)(x + 3)(x - 5) ; -1, 3, -5 C. (x - 1)(x - 3)(x - 6) ; 1, 3, 6 D. (x - 1)(x - 3)(x - 5) ; 1, 3, 5
Use a proportion to solve the problem.To determine the number of fish in a lake, a park ranger catches 280 fish, tags them, and returns them to the lake. Later, 144 fish are caught, and it is found that 45 of them are tagged. Estimate the number of fish in the lake.
A. 1,814,400 fish B. 88 fish C. 896 fish D. 23 fish
Identify the equation as either an identity or not.cos 2? = sin 2? tan ?
A. Not an identity B. Identity
If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions.
A. (-5, 1) B. (1, -5) C. infinite number of solutions D. no solution