MATHEMATICS HIGH SCHOOL

Given the 2 functions find (f+g)(X)

Answers

Answer 1

Answer:

Answer:

f(x) + g(x) = -9x³ - 14x² + 2x + 7

Step-by-step explanation:

This notation (f + g)(x) just wants you to add the two functions; it's the same thing as writing f(x) + g(x).

f(x) = -6x² + 9x + 7

g(x) = -9x³ - 8x² - 7x

All you have to do now is combine like terms and simplify.

f(x) + g(x) = (-6x² + 9x + 7) + (-9x³ - 8x² - 7x)

f(x) + g(x) = -6x² + 9x + 7 + -9x³ - 8x² - 7x

f(x) + g(x) = -9x³ - 8x² - 6x² + 9x - 7x + 7

f(x) + g(x) = -9x³ - 14x² + 2x + 7

Related Questions

Finish the sequence 1,1,1,3,5,9,17,31,57, , ,
Find the circumference and area of a circle with a diameter of 22 inches. Leave your answers in terms of pi. a. C = 11π; A = 44π b. C = 22π; A = 44π c. C = 11π; A = 121π d. C = 22π; A = 121π
Catherine walks her dog three over four miles each day. How far does she walk each week?
P = a + (n - 1)b, for b
What is the sum of:5 (-15) =

Haley's softball team has a phone tree in case a game is cancelled. The coach calls three players. THen each of those players call three players, and so on how many players will be notified during the third round of calls

Answers

Answer:

Step-by-step explanation:

If we follow the amount of players called,

Coach called three/3

Players called three/3

Three players called three/3

And make it into a equation, 1 x 3 = 3

Those three people call three more: 3 x 3 = 9

Those nine people call three more: 9 x 3 = 27

Lucy correctly answered 70% of the questions on her science homework. She counted 14 correct answers. How many questions are there on her homework?

Answers

Answer:

9.8

Step-by-step explanation:

Solve by the linear combination method (with or without multiplication) 2x+3y= -17, 5x+2y = -4

Answers

2x+3y= -17
5x+2y= -4
You must cancel either the x or y out to solve so i'm going to cancel the x.
-5(2x+3y= -17)
2(5x+2y= -4)
This simplifies to:
-15x -15y=85
15x+4y= -8
The -15x and 15x cancel out leaving you:
-15y=85
4y= -8
You add them top numbers by the bottom and get:
-11y=77
Then divide by -11 to get y by its self.
y= -7
Now that you know what y is just plug it in to either original problem. I will use the second one.
5x + 2(-7) = -4
5x -14 = -4
5x = 10
x = 2
So the answer is (2,-7) or x=2 and y=-7

Answer: (2,-7) or x=2 and y=-7

Step-by-step explanation: Took the test and can confirm this is the answer!

You are going on a 1,940-mile trip, and your car gets about 28 miles per gallon. Gas prices along your route average $2.95 per gallon. Calculate the cost of thetrip. Round final answer to the nearest cent.

Answers

Answer: $204.39

Reason

The number of gallons used is estimated to be approximately: distance/mpg = 1940/28 = 69.2857 gallons.

Each gallon costs $2.95, so the total cost is 69.2857*2.95 = 204.392815 which rounds to 204.39

A grocery store sells chili peppers at $2.04 for a dozen. At this rate, what's the cost per pepper?

Answers

0.17 because you would do $2.04/12=0.17 so that would be the answer want to check it do 0.17*12=2.04 so 0.17 is your answer

There is a vfery simple way to answer this question, and that is to take your amount(in this case 2.04) and divide it by your rate(a dozen=12). 2.04/12=0.17.

What is the area of the figure

Answers

Answer:

Step-by-step explanation:

Answer:19.4

Step-by-step explanation: