Simplify the expression by combining like terms.9x - 7x

A. -63x
B. 16x
C. 2x
D. 2 + x


Answer: C

Mathematics

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Tell whether or not the relation is a function.{(-3,5), (-1,6), (3,-5), (6,8)}

A. Yes B. No

Mathematics

Find the following. Assume that the letter can represent any real number.

A. 14
B. -14
C. 14y
D. 196

Mathematics

Determine whether or not the function is one-to-one.

A. Yes B. No

Mathematics

Simplify.If P(x) = 4x - 9, find P(a).

A. 4a B. 4a - 9 C. -5a D. 4x - 9

Mathematics