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Svet_ta [14]
3 years ago
11

What is the value of (f-g)(7)?f(x)=2+x;g(x)=x^2+5(f-g)(7)=[1]​

Mathematics
1 answer:
Sav [38]3 years ago
8 0

Answer:

Alright so on this type of problem you just perform the operation they ask for, which in this case is subtraction.  

Your first step will be to set up the problem:

f(x) - g(x)

Next you will substitute in your values:

(2x + 1) - (x2 - 7)

The easiest way to do the subtraction problems is to distribute your negative into your second set of parenthesis, so your expression would become:

2x + 1 - x2 + 7

Then combine your like terms:

2x - x2 + 8

Lastly put your expression in standard form (highest exponent to lowest)

-x2 + 2x + 8

Hope this helped!

Step-by-step explanation:

You might be interested in
Can you solve this :-)? Identify the equation that means "eleven less than x is twenty-three" (A) x = 23 - 11. (B) x + 11 = 23.
mart [117]
Hey user!!

your answer is here (-:

given :- eleven less than x ( x - 11 ) = twenty three

final answer = x - 11 = 23

correct option is D. x - 11 = 23

if u need the value of x too, then Answer is :-

x - 11 = 23

x = 23 + 11

x = 34

cheers!!
3 0
3 years ago
What is 5+2 cuz I need help on that question<br>​
liberstina [14]

Answer:

7

Step-by-step explanation:

can you mark me brainliest

3 0
2 years ago
Read 2 more answers
Help more than 10 points
Drupady [299]
Ratio triangle height to square side 7:8
ratio triangle base to square side 1:2
Area of the square is 64 in² then the sides = 8 in

ratios give
h = 7(8)/8
h = 7

b = 8/2
b = 4

Area Triangle = 0.5(7)(4)
= 14

Then shaded region is the Area of the square minus the Area of the triangle.
A = 64 - 14
A = 50 in²


3 0
3 years ago
{ PLEASE ANSWER QUICKLY, PROBLEM DUE ASAP } The functions f(x) and g(x) are defined below. Which expression is equal to f(x) + g
8090 [49]

Answer:

Option C. 2x + 20 / x² + 6x – 40

Step-by-step explanation:

f(x) = x + 16 / x² + 6x – 40

g(x) = 1 / x + 10

To find f(x) + g(x), please refer to the attached photo.

7 0
3 years ago
Need answer today please
HACTEHA [7]

Answer:

The surface area of the cone=238.64feet^2

Step-by-step explanation:

The given figure is in the shape of a cone:

Diameter=8 feet\\\\Radius=8/2=4 feet

slant height(l)=15 feet

Surface area of the cone

                    =\pi rl+\pi r^2

As, \pi =\frac{22}{7}=3.14

Surface area of the cone =(3.14*4*15)+(3.14 *4*4)

                      =(3.14*60)+(3.14*16)\\\\=188.4+50.24\\\\

                     =238.64feet^2

The surface area of the cone=238.64feet^2

8 0
3 years ago
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