Use the Intermediate Value Theorem to determine whether the polynomial function has a zero in the given interval.f(x) = 7x3 - 2x + 2; [-1, 0]
A. f(-1) = -3 and f(0) = -2; no
B. f(-1) = 3 and f(0) = 2; no
C. f(-1) = -3 and f(0) = 2; yes
D. f(-1) = 3 and f(0) = -2; yes
Answer: C
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Solve the problem.Students at East Central High School earned $915 selling pennants. They want to make $4,410 for a club trip. What percent of their goal has been reached? Round to the nearest tenth when necessary.
A. 2.1% B. 48% C. 4.8% D. 20.7%
For the pair of functions, find the indicated domain.f(x) = 
, g(x) = 3x + 15Find the domain of f ? g.
A. (-?, ?) B. (-?, -5] ? [0, ?) C. [-5, ?) D. [0, ?)
Use possible symmetry to determine whether the graph is the graph of an even function, an odd function, or a function that is neither even nor odd.
A. Neither B. Odd C. Even
Evaluate the root function at the given x-value. Round to the nearest hundredth when appropriate.f(x) = 
, x = -28
A. 3 B. -3 C. -4 D. Undefined