A) Input this table of values into Desmos to write a quadratic regression equation that best fits the
data set. Hint: use yz-axı + bx2 + c
b) Use your regression equation and estimate the y value if x is 23. Show your work.
y
423
15
17
398
19
308
20
255
21
297
25
365
29
401

SHOW WORK PLEASE

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

10

step-by-step explanation: