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zysi [14]
3 years ago
9

Evaluate the function at the given value and simplify.

Mathematics
1 answer:
Licemer1 [7]3 years ago
8 0

Answer:

The correct option is b.

Step-by-step explanation:

The given function is

f(x)=-5x+1

We need to find the value of f(-2). It means we have to find the value of given function at x=-2.

Substitute x=-2 in the given function to find the value of f(-2).

f(-2)=-5(-2)+1

On simplification we get

f(-2)=10+1

f(-2)=11

The value of f(-2) is 11. Therefore the correct option is b.

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A rectangle has a length of (3x - 1) and a width of (x + 1). part a determine the perimeter and area of the rectangle as polynom
liubo4ka [24]

Perimeter of rectangle is 8x and Area is 3x^2 + 2x -1..

Lets try to solve out the problem,

Length = 3x-1

Width = x+1

Perimeter = 2(l+b)

Area = l*b

Perimeter= 2 (3x-1 + x+1)

P= 8x

Area = (3x-1) (x+1)

=> 3x(x+1) -1 (x+1)

=> 3x^2 + 3x -x -1

=> 3x^2 + 2x -1.

Hence Perimeter of rectangle is 8x and Area is 3x^2 + 2x -1..

Learn more about Perimeter on:

brainly.com/question/397857

#SPJ4

6 0
2 years ago
kara needs to get a 75% on her drivers education test in order to get her license. If there are 35 questions, how many does she
marishachu [46]

Answer:

26.25 questions

Step-by-step explanation:

75% of 35 is 26.25

5 0
3 years ago
Read 2 more answers
Carter Road his bike 9/10 of a mile from his house to his grandmothers house. On his way back home, he rode 3/8 of a mile before
jek_recluse [69]

Answer:

Step-by-step explanation:

Carter rode his bike 9/10 of a mile from his house to his grandmothers house. This means that the distance from Carter's house to his grandmother's house is 0.9 miles. On his way back home, he rode 3/8 of a mile before the tyre on his bike went flat. This means that he rode 0.375 miles before his tyre went flat. The distance he must walk before he gets home will be the total distance from home minus the distance that he rode. It becomes

0.9 - 0.375 = 0.575 miles

3 0
2 years ago
Write an equation to match each graph:
Makovka662 [10]

Answer:

y=-|x+1|+1

Step-by-step explanation:

It's an absolute value function vertically flipped and shifted 1 unit to the left, 1 unit to the the top.

8 0
2 years ago
4. Which is the largest?<br> a. 1/10<br> b. .25<br> C. .375<br> d. 1/50
Grace [21]
.375 because 1/50= .02 and 1/10=.01 which are both less than .375
4 0
3 years ago
Read 2 more answers
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