Determine whether f is continuous at c.f(x) =  ;c = 1

A. continuous
B. not continuous


Answer: B

Mathematics

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Simplify.8 × 7 - 1

A. 48 B. 57 C. 56 D. 55

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Use a graphing calculator to solve the system.4x + y = 16  x + 3y = -7

A. {(5, -4)} B. {(5, 4)} C. {(3, 4)} D. {(-5, -4)}

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Answer the question.If the vertex of the graph of a quadratic function lies in quadrant III and the graph is concave up, how many x-intercepts does the graph have?

A. 2 B. 0 C. 1 D. 3

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Refer to the figure below to answer the problem.

Is ?ABC isosceles?

Mathematics