Perform the following operation and write the result in lowest terms. 20 - 5

A. 15
B. 14
C. 10
D. 15


Answer: D

Mathematics

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Determine the domain and range of the function. State whether the function is a function or not a function. 

A. domain: {-9, -4, 4, 9} range: {9, 1} function B. domain: {9, 1} range: {-9, -4, 4, 9} not a function C. domain: {9, 1} range: {-9, -4, 4, 9} function D. domain: {-9, -4, 4, 9} range: {9, 1} not a function

Mathematics

Multiply and simplify. Assume all variables represent nonnegative real numbers. Write your answer in radical notation.

A. x6y9
B. x6y7
C. x6y8
D. x6y8

Mathematics

For the given functions f and g, find the requested composite function.f(x) = 5x + 10, g(x) = 4x - 1;Find the function f ? g.

A. 20x + 39 B. 20x + 15  C. 20x + 9  D. 20x + 5 

Mathematics

Provide an appropriate response.Explain the difference between the unpaid balance method and the average daily balance method of calculating finance charges.

What will be an ideal response?

Mathematics