Given f(x) = x2 + 4x − 1 and g(x) = 5x − 7, identify (fg)(x).

Question

Seudónimo Seudónimo

02-08-2017
Mathematics

contestada

Given f(x) = x2 + 4x − 1 and g(x) = 5x − 7, identify (fg)(x).

Respuesta :

Otras preguntas

find the circumference of a circle whose radius is 15.4cm

All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})

jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music

find the circumference of a circle whose radius is 15.4cm

In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times

find the circumference of a circle whose radius is 15.4cm

jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music

choixongdong choixongdong · Answer 1 · 2017-08-02T22:04:44+02:00

choixongdong choixongdong

02-08-2017

f(x) = x^2 + 4x − 1 and g(x) = 5x − 7
(fg)(x) = (x^2 + 4x − 1)(5x − 7)
(fg)(x) = 5x^3 + 20x^2 - 5x - 7x^2 - 28x + 7
(fg)(x) = 5x^3 + 13x^2 - 33x + 7

answer is C. third choice

(fg)(x) = 5x^3 + 13x^2 - 33x + 7

Answer Link