Need asap 1.which piecewise function is equivalent to the absolute value function and its graph? (the first attachment)
2. which of the following represents a step function? (the second attachment)
3. f(-1/2)equal or opposite to -1 ( the third attachment)

22 dimes and 9 nickels

step-by-step explanation:

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt