Last week, the total weight of the members of a weight loss support group was 3,350 pounds. This week, it was 3,417 pounds. What percent heavier is the group now?

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

tip $2.90

total $17.40

answer: b

step-by-step explanation: