Leilanichristo0307 Leilanichristo0307
  • 02-03-2021
  • Mathematics
contestada

Giving f(x)=8x -15, find x when f(x)=9

Respuesta :

dexianakotlc dexianakotlc
  • 02-03-2021

Answer:

3

Step-by-step explanation:

f(x)=8x-15 and f(x)=9

9=8x-15

add 15 to both sides

24=8x

divide both sides by 8

x=3

Answer Link
danielafuentes
danielafuentes danielafuentes
  • 02-03-2021

Answer:

f(9)=57

Step-by-step explanation:

f(x)=8x-15

f(9)=8*9-15

f(9)= 72-15

f(9)= 57

Answer Link

Otras preguntas

Find the first six terms of the sequence. a1 = 1, an = 4 • an-1
Write the sum using summation notation, assuming the suggested pattern continues. 6, -18, 54, -162, +… Is this sequence arithmetic or geometric? Explain your an
Think of your own reading experience and write a paragraph of 150 – 200 words. Use the following questions to guide you. 1. What books or texts did you read whe
look at the image to see the question
. If/ he/ like/ spicy food/ might/ add more pepper
Name the operation you should perform first. 1. 4 x 6- 3 2. 1 + 8 ÷ 2 3. (2 + 5) - 4^2 4. 7 ÷ 7^3 x 7 5. 8^2 ÷ (8 - 4)^2 6. - 4 + 3^3 ÷ 5
Find the height of the triangle
simplify the following without using calculator √50 + √98​
Which items are discounted? —- Ignore selected.
1) Explicar la diferencia entre clima y tiempo meteorológico. Describir los elementos meteorológicos.