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jeka94
2 years ago
10

F(x) = 8|x| - 5 f(-2) =

Mathematics
1 answer:
Anastaziya [24]2 years ago
6 0

Answer:

f(-2) = 11

Step-by-step explanation:

Hello!

We can evaluate y by plugging in -2 for x in the equation.

<h3>Evaluate</h3>
  • f(x) = 8|x| - 5
  • f(-2) = 8|-2| - 5
  • f(-2) = 8(2) - 5         Remember that absolute value turns the number positive
  • f(-2) = 16 - 5
  • f(-2) = 11

The evaluated value is 11.

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A grocer can buy strawberries for $1.38 per pound
lukranit [14]
<h3>Answer:  175 pounds</h3>

Work Shown:

x = number of pounds of strawberries purchased

1.38x = cost of buying those x pounds of strawberries, at $1.38 a pound

1.38x = 241.50

x = (241.50)/(1.38)

x = 175

As a check,

1.38*x = 1.38*175 = 241.50

which confirms the answer

4 0
3 years ago
The data below shows.the number of car thefts in a city for a period of 20 days. complete parts (a) and (b) below.
iogann1982 [59]

Answer:

13 cars per day

Step-by-step explanation:

64 - 51 = 13 cars per day

hope it helps

3 0
3 years ago
Solve the inequalities; <br><br><br>1. |4x + 5| + 2 ≥ 10<br><br><br>2. |2x + 3| + 6 &gt; 0
slamgirl [31]

Answer:

Number two: x > -9/2, x < 3/2

Number one: x is less than or equal to 3/4, x is greater than or equal to - 13/4

Step-by-step explanation:

Number one:

|4x+5| > 10-2

|4x+5| > 8

4x+5 > 8

-(4x+5) > 8

x > 3/4

x < -13/4

x > 3/4, x < -13/4

(all of these signs are greater than or equal to and less than or equal to)

Number two:

|2x+3| > -6

2x+3 > -6

-(2x+3) > -6

x > -9/2

x < 3/2

x> -9/2, x < 3/2

(all of these signs are correct and not greater than or equal to or less than or equal to)

7 0
3 years ago
The formula for the area of a square is s2, where s is the side length of the square. What is the
arlik [135]

Answer:

36

Step-by-step explanation:

Area of a square is s² , where 's' is the side length.

For a square of side length = 6 cm ,

The area = (6 cm)² = 36 cm²

<em>* Why did your teacher say that you should not include units in your answer?</em>

<em />

Anyway, the area without units is 36 .

8 0
3 years ago
The cost to mail a package is $7 for the first 2 pounds and 30 cents for each additional ounce. Which of the following functions
SOVA2 [1]
A. f(x) = 7 + 0.3x

Just re-read your question! Hope I helped!
5 0
4 years ago
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