ficwriter17
ficwriter17 ficwriter17
  • 19-10-2019
  • Mathematics
contestada

If f(x) = 2x + 9, then f(-1) = _____.

Respuesta :

max3496
max3496 max3496
  • 19-10-2019
F(-1)= 7

It’s equal 7 because
You substitute (-1) for (x)

Now the work is f(-1)= 2(-1) + 9

2*-1 is -2 then you add -2 with 9 and you get 7 Which is your answer

Hope I helped
Answer Link
joeyvbeast joeyvbeast
  • 09-07-2021

Answer: 7

Step-by-step explanation:

f(x)=  2x  + 9

f(x) = 2 x -1 + 9

2 x -1= -2

-2 + 9 = 7

Answer Link

Otras preguntas

Help me !!!!!!! Please !!!!!!
what is the logarithmic form of 81=3^4
When it rains, water collects on the surface and begins to flow downhill towards a body of water. This running water can be defined as
Find the measure of each interior angle of a regular convex dodecagon. Show equations and all work that leads to your answer.
What value for c will make the expression a perfect square trinomial? x2 – 7x + c
In your mouth the food mixes with saliva and is mechanically broken into smaller pieces this is called
What is the value of the expression “eight more than three times the difference of four and a number” when n = 3?
Please, please, PLEASE help! I'm BEGGING you!!
What is the adjective in the sentence below? Do not include the articles--a, an, or the. Here are the six magazines you wanted. Adjective: a0
Chrome enables users to block pop-ups in the a0 settings window.