Evaluate the function.For the function y = f(x) described by the table, find f(2).

A. 13
B. 10
C. 7
D. 16


Answer: A

Mathematics

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Find the indicated term or coefficient of the binomial expansion.Find the 9th term of the expansion of (x + 3)12.

A. 1,082,565x8 B. 1,082,565x4 C. 3,247,695x4 D. 3,247,695x8

Mathematics

Find an equation of the sphere with center (7,-5,7) that touches the xy-plane.

Mathematics

Solve. Graph the solution on a number line, and express it in interval notation.20x + 32 ? 4(4x + 9)

A. x < 1, (-?, 1)

B. x ? 1, [1, ?)

C. x > 1, (1, ?)

D. x ? 1, (-?, 1]

Mathematics

Write the expression in standard form.2 +  + 6 - 

A. 8 + 6i
B. 8 - 6i
C. 8 - 6
D. 8 + 6

Mathematics