firyalahmed firyalahmed

11-04-2015
Mathematics

contestada

Find f(-2) for the function:

f(x)= 3x^2-1, x<1
x+2, x> 1

Respuesta :

Panoyin Panoyin

11-04-2015

f(x) = 3x² - 1
f(-2) = 3(-2)² - 1
f(-2) = 3(4) - 1
f(-2) = 12 - 1
f(-2) = 11

f(x) = x < 1
f(-2) = -2 < 1

f(x) = x + 2
f(-2) = -2 + 2
f(-2) = 0

f(x) = x > 1
f(-2) = -2 > 1
f(-2) = -2 < 1

Answer Link

Otras preguntas

Please help me with Spanish Compare two pictures

Creating an Exponential Model In this activity, you will formulate and solve an exponential equation that models a real-world situation. Emma doesn't have exper

calculate the number of moles in 200 grams of Sodium hydroxide

Help! I got 7 but it told me it was wrong?

I need help with this question

convert 5 mole(s) of Xe into molecules

ok so i need a clincher for an agrumentative writing homework, but i dont know what a clincher is. could someone help really quick? here is what i wrote so far:

Mary’s dog weighs 185 pounds. Her dog needs to lose between 9 and 15 pounds. Between what two percentages, rounded to the nearest whole numbers, should Mary’s d

The force between 2 pith balls

Jill eFind the value of the expression 4a4 − 2b2 + 40 when a = 2 and b = 7.