No Service 5:11 PM imathas.rationalreasoning.net C Janet works 36 hours a week b

Question

No Service 5:11 PM imathas.rationalreasoning.net C Janet works 36 hours a week between two part-time jobs during the semester. She works as a residence hall front desk assistant which pays $7.50 per hour. She also works as a supermarket cashier which pays $9.25 per hour. a. Define a function, k, that gives the number of hours Janet works as a supermarket cashier in terms of the varying number of hours she works as a residence hall front desk assistant, r kir) 3619 25r +750r) -Preview b. Define a function, f, that gives the amount of money Janet makes working as a resident hall front desk assistant in terms of the varying number of hours she works as a residence hall front desk assistant, r Preview c. Define a function, h, that gives the amount of money Janet makes working as a supermarket cashier in terms of the varying number of hours she works as a supermarket cashier, s. Preview d. Use function notation to represent the amount of money Janet makes as a supermarket cashier in terms of the varying number of hours she works as a residence hall front desk assistant, r Preview e. Use your answers from (a, c, d) to help you define a function, g, that gives the amount of money Janet mak es as a supermarket cashier in terms of the varying number of hours she works as a residence hall front desk assistant, r Preview

Explanation / Answer

a) janet works as a supermarket cashier for 9.25 per hour

for supermarket function is 9.25r

so function , k = 9.25( 36 - r )

b) function would be

f = 7.50r

c) h = 9.25s

d) f(r) = 9.25(36 - r)

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