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xz_007 [3.2K]
4 years ago
13

How do you find the domain and range of f(x)=8x^2-5x 2?

Mathematics
1 answer:
borishaifa [10]4 years ago
8 0
The domain of f(x) = 8x^2 - 5x + 2 is all real numbers.
For the range, f(x) = 8x^2 - 5x + 2 written in vertex form is f(x) = 8(x^2 - 5/8x + 1/4) = 8(x^2 - 5/8 + 25/256 + 1/4 - 25/256) = 8(x - 5/16)^2 + 8(39/256) = 8(x - 5/16)^2 + 39/32
The range is all real numbers greater than or equal to 39/32
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4 years ago
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3 years ago
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