Multiply and simplify where possible.
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Solve the problem.An electrician charges a fee of $45 plus $30 per hour. Let y be the cost in dollars of using the electrician for x hours. Find the slope-intercept form of the equation.
A. y = 45x - 30 B. y = 45x + 30 C. y = 30x + 45 D. y = 30x - 45
Mathematics
Graph the function.f(x) = 3e- x
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.C(
, 
)
A. 1 B. 13 C. 3.1135104e+09 D. 6.2270208e+09
Mathematics
Find the center and radius of the circle.x2 - 2x + y2 - 14y + 25 = 0
A. (1, 7), r = 5 B. (1, 7), r = 25 C. (-1, -7), r = 5 D. (-1, -7), r = 25
Mathematics