3 years ago

X=-2. ㄱ f(x) = 2x-2+5

Mathematics

1 answer:

Paha777 [63]3 years ago

4 0

Step-by-step explanation:

from,

f (x) = 2x-2+5

BUT x=-2

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

= -4-2+5

= -6+5

= -1

so,

f (x) = -1

You might be interested in

Mary has twice as many dogs as David has cats and josh has enough animal collars to give a collar to one third of the dogs or to

Ann [662]

D = 2C
J = 1/3D
J = C - 1

J = 1/3D
J = 1/3(2C)
J = 2/3C

2/3C = C - 1
2/3C - 3/3C = -1
-1/3C = -1
C = -1 * -3
C = 3...there are 3 cats

J = C - 1
J = 3 - 1
J = 2.....there are 2 collars

3 0

3 years ago

In the diagram below, the top of each stair is parallel to the floor. What is the value of y?

Semmy [17]

The value of y would be C) 38 degrees because if the floor and the top of the stair are parallel, then that makes the diagonal line a transversal, therefore the 38 degree angle and y are alternate interior angles.

7 0

3 years ago

An oval track is made by endosing semicircles on each end of a 50 m by 100 m rectangle. Find the area endowed by the track. Use

Aleks [24]

Answer:

Step-by-step explanation:

edmentum

6 0

3 years ago

Lisa purchased a hat for $10, a purse for $20, and a book for $23. The sales tax rate was 7.2 percent. What was the total amount

Mamont248 [21]

$56.82 is the correct amount