SaammmJJ SaammmJJ

30-04-2017
Mathematics

contestada

If f(x)=8-10x and g(x)=5x+4 what is the value of (fg)(-2)?

If fx810x and gx5x4 what is the value of fg2 class=

Respuesta :

mreijepatmat mreijepatmat

30-04-2017

First, calculate f(g(x))==> you plug (5x+4) in the value of x in f(x)

==>f(g(x))= 8-[10(5x+4)===>8-50x-40===>f(g(x))= -50x + 32

& f(g(-2))= -100+32 =68.

There is a mistake in your answers, it should be 68 & not 78

Answer Link

Otras preguntas

Concerning meat fabrication in general, which statement is true? A. Successful meat fabrication requires extensive knowledge of animal anatomy. B. R

The cost of admission to the State Fair changed from $8.50 last year to $10.00 this year. Round to the nearest tenth. Show your work. (3 points) a.) What is t

Which of the function notation describes the ordered number pair P(x) = {(1,11), (2,22), (3,33), (4,44)}?

The impact of McCarthyism helped Republicans win support by

A, B, C, and D have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. Which sentence about the points is true? A. A, B, C, and D lie on th

he isosceles triangle has a perimeter of 7.5 m. Which equation can be used to find the value of x if the shortest side, y, measures 2.1 m?

Why does the federal government impose tariffs? because tariffs are designed to attract better products because tariffs are designed to protect domestic goods

Which list of ordered pairs represents solutions to x + y = 2? (-4, 6), (0, 2), (4, 2); (-4, -6), (0, 2), (4, 2); (-4, 6), (0, 2), (4, -2)

Unfortunately, a good personality can be overshadowed by poor mental or emotional health. Please select the best answer from the choices provided. T F

The careers of Chopin and Liszt were probably most influenced by —————-?