Evaluate the function at the indicated value.Find f(1) when f(x) = x2 + 3x + 2.
A. 6
B. 0
C. -4
D. 2
Answer: A
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Solve.The mass of a tumor grows at a rate proportional to its size. The first measurement of its size was 4.08 grams. Seven months later its mass was 6.28 grams. How large was the tumor 6 months before the first measurement?
A. 2.93 g B. 2.71 g C. 2.82 g D. 2.62 g
Perform the indicated operation. Simplify the answer when possible.
? 
A. 
B. 5
C. 
D. 5
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex cube roots of -8i
A. 8(cos 90° + i sin 90°), 8(cos 210° + i sin 210°), 8(cos 330° + i sin 330°) B. 512(cos 90° + i sin 90°), 512(cos 210° + i sin 210°), 512(cos 330° + i sin 330°) C. 2(cos 180° + i sin 180°), 2(cos 300° + i sin 300°), 2(cos 60° + i sin 60°) D. 2(cos 90° + i sin 90°), 2(cos 210° + i sin 210°), 2(cos 330° + i sin 330°)
Find an equation of a parabola satisfying the given conditions.Focus at (4, 0), directrix x = -4
A. y2 = -16x
B. y = 
x2
C. x = 
y2
D. -16y = x2