Solve the system of equations.x2 - 3y2 = 14x2 + 3y2 = 19
A. (-1, 2) and (1, -2)
B. (2, 1), (2, -1), (-2, 1), (-2, -1)
C. (1, 2), (-1, 2), (1, -2), (-1, -2)
D. (2, 1) and (-2, -1)
Answer: B
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Solve the problem.How long will it take for the population of a certain country to double if its annual growth rate is 2.2%? (Round to the nearest year.)
A. 14 years B. 32 years C. 1 year D. 91 years
Evaluate the expression.3
A.
B. 3
C.
D.
Find the remaining zeros of f(x) given that c is a zero. Then rewrite f(x) in completely factored form.f(x) = 3x3 - 11x2 - 6x + 8; c = -1 is a zero
A. , 4; f(x) = (3x - 2)(x - 4)(x + 1)
B. -4, 1, ; f(x) = (3x - 2)(x - 1)(x + 4)
C. -4, , 1; f(x) = (3x - 2)(x - 1)(x + 4)
D. , -4; f(x) = (3x - 2)(x - 4)(x + 1)
Solve the problem.A rocket is shot straight up in the air from the ground at a rate of 47 feet per second. The rocket is tracked by a range finder that is 496 feet from the launch pad. Let d represent the distance from the rocket to the range finder and t represent the time, in seconds, since "blastoff". Express d as a function of t.
A. d(t) = 4962 + (47t)2
B. d(t) = 496 + 47t2
C. d(t) =
D. d(t) =