morganadkins97
morganadkins97
06-07-2017
Mathematics
contestada
If f(x) = 2x^2 - x, find f(-3).
Respuesta :
paulrizzi
paulrizzi
06-07-2017
f(-3) = 2(-3)^2 - (-3) = 2(9)+3 = 18 + 3 = 21
Answer Link
irspow
irspow
06-07-2017
f(x)=2x^2-x, x=-3
f(-3)=2(-3)^2-(-3)
f(-3)=2(9)+3
f(-3)=18+3
f(-3)=21
Answer Link
VER TODAS LAS RESPUESTAS ( 91+ )
Otras preguntas
help me you must show your working out it maths
a tube of lipstick cost $12.50 plus 7% tax what will you pay at the checkout will mark brainiest show ur work ty so much
Randal purchased a rare coin collection for $1803.95. He sold it at a auction for $2700. How much money did he make on the coins?
I need help on how to do this, please. What is the value of x?
What is a memoir? A. A fictional account of an event in a person’s life B. A nonfiction piece of writing about a historical person C. A personal account of an e
lines RS, TV in SW are shown which statements are true about these lines check all that apply
The expression 1+2n(n+2) describes a pattern of numbers, where n represents a numbers position in the sequence. Write the first four terms of the sequence
What is the answer? I need help..
Why is the atomic mass usually given as an average (and a decimal)?
Select the correct answer. Which point of view has author Jules Verne used in this excerpt from his novel A Journey to the Center of the Earth? "Here he is, Mon