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bc3286
05.07.2019 •
Mathematics
If f(x) = 5x − 1 and g(x) = 2x2 + 1, what is the value of (f × )?
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Ответ:
f(x) = 5x − 1 and g(x) = 2x^2 + 1
(f × g)(x) = (5x − 1)(2x^2 + 1)
(f × g)(x) = 10x^3 - 2x^2 + 5x - 1
Substitute x = - 3
(f × g)(-3) = 10(-3)^3 - 2(-3)^2 + 5(-3) - 1
(f × g)(-3) = 10(-27) - 2(9) -15 - 1
(f × g)(-3) =-270 - 18 - 16
(f × g)(-3) = -236
Answer
- 236
Ответ:
34
Step-by-step explanation:
40 * .15= 6
40-6 = 34