Perform the indicated operation(s). Simplify if possible.
+ 
A.
B.
C.
D. 4x - 3
Answer: A
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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
Translate the word phrase into an algebraic expression.$147 less the cost x
A. 147x B. 147 - x C. 147 D. x + 147
Determine whether the given equation is a rational function.f(x) =
A. No B. Yes
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].