What is the measure of DEF? Pls help me asap

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

When the ball has traveled a distance of