Does the graph represent a function that has an inverse function?
A. Yes
B. No
Answer: B
Mathematics
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Write the fraction in decimal notation.
A.
B.
C.
D.
Mathematics
Solve the problem.At the first tri-city meeting, there were 8 people from town A, 7 people from town B, and 5 people from town C. If the council consists of 5 people, find the probability of 3 from town A and 2 from town B.
A. 0.076 B. 0.072 C. 0.023 D. 0.036
Mathematics
Determine the domain and the range of the function.f(x) = -x2 + 8x
A. domain: {x|x? -4} range: {y|y ? 16} B. domain: all real numbers range: {y|y ? -16} C. domain: {x|x ? 4} range: {y|y ? 16} D. domain: all real numbers range: {y|y ? 16}
Mathematics
Solve the problem.If f(?) = sin ? and f(a) = - , find the exact value of f(a) + f(a + 2?) + f(a + 4?).
A.
B. -
C. - + 6?
D. -
Mathematics