2 years ago

If f(x)=x^2and g(x)=6x+4,for which value of x does (f+g) =0

Mathematics

1 answer:

olga nikolaevna [1]2 years ago

6 0

Step-by-step explanation:

When (f + g)(x) = 0,

f(x) + g(x) = x² + 6x + 4 = 0.

Therefore (x + 3)² - 5 = 0, we have

x = sqrt5 - 3 or x = -sqrt5 - 3.

You might be interested in

Regina spent $45.50 over 6 1/2 months on music downloads. If she spent the same amount of money each month, how much money did R

Marina CMI [18]

Answer:

$7.00

Step-by-step explanation:

divide 45.50 by 6 1/2

7 0

2 years ago

Read 2 more answers

I need help right now!!!

antiseptic1488 [7]

Answer:

I believe it would be 4x-8=-3x+13

3 0

2 years ago

Sasha order 3/5 of a pound of cheese .Each slice of cheese weighs 0.15 pounds. Enter the number of slices of cheese that Sasha w

lapo4ka [179]

Answer:

4. slices

Step-by-step explanation:

because If you turn 3/5 in to a decimal you get 0.6 and each slice of cheese weighs 0.15 so you do 0.6 divided by 0.15

3 0

3 years ago

Are these three correct? (4,7 and 17.)

Helga [31]

Nine pairs is the answer

6 0

2 years ago

Sam has 3x + 4 dollars saved. Tessa has saved 7x + 16 dollars. Together they

Shalnov [3]

Step-by-step explanation:

3x + 4 + 7x + 16 = 110

10x = 90

x = 9

therefore, Sam = $31 and Tessa = $79

Topic: Algebraic Equations

If you like to venture further, do check out my insta (learntionary) where I constantly post math tips! Thanks!

8 0

3 years ago

Read 2 more answers