Write in exponential form.
A. (x4y2)2
B. (x4y2)1/2
C. x4y1/2
D. x1/4y1/2
Answer: B
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Factor completely.x2 - x - 12
A. (x + 3)(x - 4) B. (x + 1)(x - 12) C. prime D. (x + 4)(x - 3)
Solve the problem.For a particular radioactive sample, the decay rate C in disintegrations per second can be modeled by the equation logeC = loge194 - 0.09t, where t is the elapsed time in minutes. Solve this equation for the decay rate C as a function of time t.
A. C = 194e0.09t B. C = e194 + e-0.09t C. C = 194e-0.09t D. C = 194 + e-0.09t
Find the quotient and simplify.
÷ 
A. (x + y) B. (x - y)(x + y) C. (x + y)2 D. (x - y)2
Given the polynomial function f(x), find the rational zeros, then the other zeros (that is, solve the equation 
), and factor f(x) into linear factors.f(x) = x3 + 6x2 - 3x - 18
A. -
, multiplicity 2; -3; f(x) = (x + 
) 2(x + 3)
B. -6, -3, 3; f(x) = (x + 6)(x + 3)(x - 3)
C. -
, multiplicity 2; -
, multiplicity 2; f(x) = (x + 
) 2(x + 
)2
D. -6, -
, 
; f(x) = (x + 6)(x + 
)(x - 
)