Answer the question or provide an explanation.True or false? If a function f has an inverse and f(1) = -3, then f-1(-3) = 1.

A. True
B. False


Answer: A

Mathematics

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Choose the polar equation that matches the graph.

A. r = 5 cos(?/4) B. r = 1 - 5 sin(4?) C. r = 1 - 5 sin(?/4) D. r = 1 - 5 cos(4?)

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Find the absolute value of the complex number.z = -4

A. -16 B. -4 C. 16 D. 4

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Find the square.(w - 13)2

A. 169w2 - 26w + 169 B. w2 + 169 C. w2 - 26w + 169 D. w + 169

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Tell which of the following types of regression is likely to give the most accurate model for the scatter plot shown: linear regression, quadratic regression, cubic regression, exponential regression, sinusoidal regression.

A. Quadratic regression B. Exponential regression C. Sinusoidal regression D. Linear regression E. Cubic regression

Mathematics