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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

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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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
User Sergeng
by
8.0k points

1 Answer

1 vote

Answer:

C

Explanation:

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

answered
User Ishan Handa
by
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