What is the domain of the function f(x)=2x+5
a. all real numbers except 2
b. all real numbers
c. all real numbers except 5
d. all positive real numbers
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You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

The measure of an angle is 117°. what is the measure of a supplementary angle?