The supply function for a certain make of transistor radio is given by  , where  is the quantity supplied and

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?
What is the rate of change of the unit price if the quantity supplied is 100 transistor radios?
?

A. $0.0015/radio
B. $0.01335/radio
C. $0.005735/radio
D. $0.01429/radio

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Answer: A

Mathematics

Evaluate the function at the given values of the variable.f(x) = x2 + 5a. f(-4)b. f(-6)

A. 80, 180 B. -40, -60 C. -3, -7 D. 21, 41

Solve. +  = 

A.
B.
C. - 
D. No solution

Graph the system of inequalities and the points of intersection of the graphs. Label the points of intersection with their coordinates. 

A. O(0, 0), A(0, -8)

B. O(0, 0), A(0, -8)

C. O(0, 0), A(0, -8)

D. O(0, 0), A(0, -8)

Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.y = -5

A. y-intercept: (-5, 0), m: undefined

B. y-intercept: (0, 0), m: - 

C. y-intercept: (0, 0), m: -5

D. y-intercept: (0, -5), m: 0