Perform the indicated operation(s). Simplify if possible. + 

A.
B.
C.
D. 4x - 3


Answer: A

Mathematics

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Evaluate the expression x - y for the given values of the variables.x = -28, y = 70

A. -42 B. 98 C. -98 D. 42

Mathematics

Translate the word phrase into an algebraic expression.$147 less the cost x

A. 147x B. 147 - x C. 147  D. x + 147 

Mathematics

Determine whether the given equation is a rational function.f(x) = 

A. No B. Yes

Mathematics

For the parametric equations given, use a graphing calculator to generate the curve over the stated interval for the parameter t. Use the window specified. Also, find a rectangular equation for the curve.x = 2t - 1, y = t2 + 4, for t in [-4, 4]

A.

The rectangular equation for the curve is
y = x2 + 1, for x in [-2, 2].
B.

The rectangular equation for the curve is
y = x2 + x + , for x in [-9, 7].
C.

The rectangular equation for the curve is
y = - x + 30, for x in [-6, 4].
D.

The rectangular equation for the curve is
y = x2 + 1, for x in [-6, 4].

Mathematics