Determine whether the given function is exponential or not. If it is exponential, identify the value of the base a.
A. Exponential; a = 8
B. Exponential; a = 11
C. Exponential; a = 3
D. Not exponential
Answer: D
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Solve the equation.4-x = 
A. {-2}
B. {2}
C. 
D. 
Graph the circle. State the center and radius of the circle.(x + 3)2 + (y - 2)2 = 16
A. center (-3, -2); r = 4
B. center (3, -2); r = 4
C. center (-3, 2); r = 4
D. center (3, 2); r = 4
Find a transformation form of the linear function f whose graph passes through the given pair of points. 
and 
A. f(x) = 5(x - 1) + 
or f(x) = 5(x - 5) + 
B. f(x) = 
(x - 1) + 
or f(x) = 
(x - 5) + 
C. f(x) = 5(x + 1) - 
or f(x) = 5(x + 5) - 
D. f(x) = 
- 1 or f(x) = 
- 5
The Thompson Company manufactures two industrial products, standard ($45 profit per item) and economy ($30 profit per item). These items are built using machine time and manual labor. The standard product requires 2 hr of machine time and 1 hr of manual labor. The economy model requires 2 hr of machine time and no manual labor. If the week's supply of manual labor is limited to 900 hr and machine time to 9,000 hr, how much of each type of product should be produced each week to maximize the profit? ?
A. no standard models and 4,500 economy models B. 900 standard models and 3,600 economy models C. 900 standard models and 2,250 economy models D. 4,500 standard models and no economy models E. 2,250 standard models and 2,250 economy models