Identify the vertex of the parabola.f(x) = (x + 8)2
A. (0, -8)
B. (8, 0)
C. (-8, 0)
D. (0, 8)
Answer: C
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The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 2t2 + 2t + 4, 0 ? t ? 2Find the body's speed and acceleration at the end of the time interval.
A. 6 m/sec, 2 m/sec2 B. 14 m/sec, 4 m/sec2 C. 10 m/sec, 8 m/sec2 D. 10 m/sec, 4 m/sec2
Identify the vertex of the given parabola.f(x) = (x + 2)2 + 4
A. (4, -2) B. (4, -4) C. (-4, 2) D. (-2, 4)
Classify the system as independent, inconsistent, or dependent. 2x - y = 5-4x + 2y = -18
A. Independent B. Dependent C. Inconsistent
Determine whether the equation is an identity, a conditional equation, or an inconsistent equation.16x + 15(x + 1) = 31(x + 1) - 16
A. Identity B. Conditional equation C. Inconsistent equation