Use a system of linear equations to find the quadratic function f(x) = ax2 + bx + c
that satisfies the given conditions. Solve the system using matrices.
f(−2) = −5, f(1) = −8, f(2) = −25

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the answer is 150.6

step-by-step explanation:

you multiply .02 by 30 and get .6.

and then you multiply 5.00 by 30 and get 150.

hope this !

add the numbers under frequency to find the total number:

5 + 8 +7 + 4 + 0 +1 = 25

the answer is 25.