11.martian finds a shirt on slae for 10% off at a department store. the original price was $20.martain must also pay 8.5% sales tax.
a. how much is the shirt before taxes are applied
b. how much is the shirt after taxes are applied
show your work and steps

Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4

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