Suppose that a company's revenue  is a function k of the number of customers C. Suppose also that the amount spent on advertising A affects the number of customers so that 

variablename="impvar_02fc738388c44394a6deda69b" /> is a function g of A. The function  is defined, since . Is  defined?

? 



A. Yes

B. No

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Answer: B

Mathematics

Write the sentence as an equation. Let the variable x represent the number.Five times a number is equal to 30 decreased by the number.

A. 5 + x = 30 - x B. 5x = 30 + x C. 5x = 30 - x D. 5x = x - 30

Subtract.16.8 - 1.03

A. 15.77 B. 18.83 C. 15.87 D. 17.83

Graph the given function. Identify the vertex and the intercepts.y = x2 + 5x + 6

A. Vertex: 
x-intercepts: 3 and 2
y-intercept: 6

B. Vertex: 
x-intercepts: 3 and 2
y-intercept: 6

C. Vertex: 
x-intercepts: -3 and -2 
y-intercept: 6

D. Vertex: 
x-intercepts: -3 and -2 
y-intercept: 6

Find the common ratio for the geometric sequence.3, , , , , . . .

A. r = 4
B. r = 3
C. r = 
D. r =