Which function has exactly one real solution? A. f(r) = 612 + 1 B. f(x) = -4r² + 9r C. f(r) = -3r² + 30r - 75 D. f(x) = 2r² + 4r - 5

asked Jan 15, 2023 197k views

4 votes

Which function has exactly one real solution?

A. f(r) = 612 + 1
B. f(x) = -4r² + 9r
C. f(r) = -3r² + 30r - 75
D. f(x) = 2r² + 4r - 5

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1 vote

Answer:

Explanation:

f(r)＝-3r²+30r-75 need to make sure algebra are same

Ishan Handa answered Jan 19, 2023