tessaross50 tessaross50

22-02-2017
Mathematics

contestada

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

Respuesta :

Xander101 Xander101

23-02-2017

f(x) = 8 - 10xg(x) = 5x + 4
(fg)(x) = (8 - 10x)(5x + 4)
(fg)(x) = 40x + 32 - 50x^2 - 40x
(fg)(x) = 32 - 50x^2
(fg)(-2) = 32 - 50(-2)^2
(fg)(-2) = 32 - 200
(fg)(-2) = -168

Answer Link

Otras preguntas

1.A man climbs on to a wall that is 2m high and gains 1300J of potential energy. What is the mass of the man?

Explain patterns in the placement of the decimal point when multiplying 5 by 102, 10¹, and 100 and when dividing 5 by 10¹, 10², and 10³. Prepare your response t

An Alaskan rescue plane traveling 45 m/s drops a package of emergency rations from a height of 110 m to a stranded party of explorers. margolalaraq The accelera

A list of rational numbers is given.

how do u do this step by step

What were some outcomes of the Battle of Saratoga? France began to take the American fight for independence seriously. The Americans thwarted the British invasi

Help with this picture please

I need someone to summarize this and how is this a impact on colonies

Find the perimeter or circumstance and area if the unit on the graph measures 1 centimeter. Round answer to the nearest tenth, if necessary 1. triangle ABC Ay

Read the passage and then answer the question that follows: The European Starling is no larger than the average bird. Despite its normal size, it is surprisingl