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Summer D.

asked • 02/22/15

Please help!! Select the approximate values of x that are solutions to f(x) =0, where f(x) = -9x^2 +4x+7

a) {-1.29,0.57}
b) {-9,4}
c) {-0.44,-0.78}
d) {-0.69,1.13}

1 Expert Answer


Michael J. answered • 02/22/15

5 (5)

Effective High School STEM Tutor & CUNY Math Peer Leader

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