A person's salary is $2,500 per month. She receives a 10% raise. What is her new salary, in dollars per month?
A test had 40 questions. A student answered 85% of the questions correctly. How many questions did the student answer correctly?
A telephone cost $250. The sales tax is 7.5%. What was the cost of the telephone including sales tax?
Select [b]all[/b] the expressions that represent the number of gallons of water the family used in July.
Write two different expressions that could be used to find his new salary, in dollars.
[size=150]Military veterans receive a 25% discount on movie tickets that normally cost $16. Explain why [math]16\left(0.75\right)[/math] represents the cost of a ticket using the discount.[/size]
[size=150]A new car costs $15,000 and the sales tax is 8%. Explain why [math]15,000\left(1.08\right)[/math] represents the cost of the car including tax.[/size]
[size=150]The function, [math]f[/math], is defined by [math]f\left(d\right)=550\cdot\left(\frac{1}{2}\right)^d[/math].[/size][br][br][size=100]What is the average rate of change between day 0 and day 7?[/size]
Is the average rate of change a good measure for how the amount of the chemical in the pond has changed over the week? Explain your reasoning.
Explain why the thickness in inches, [math]t[/math], is a function of the number of times the paper is folded, [math]n[/math].
Using function notation, represent the relationship between [math]t[/math] and [math]n[/math]. That is, find a function [math]f[/math] so that [math]t=f\left(n\right)[/math].
[size=150]The function [math]f[/math] represents the amount of a medicine, in mg, in a person's body [math]t[/math] hours after taking the medicine. Here is a graph of [math]f[/math].[/size][br][img]data:image/png;base64,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[/img][br]How many mg of the medicine did the person take?
Write an equation that defines [math]f[/math].
After 7 hours, how many mg of medicine remain in the person's body?