Let f(x)=2x-7. What is f(4)?

Answers

Answer 1

Answer: $f(x) = 2x-7$

$f(4) = 2 * 4 - 7$

$f(4) = 8 - 7$

$f(4) = 1$

hope this helps!

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PLEASE HELP!!!!Complete the equation for the linear function whose graph contains the points

(−1, −2) and (3, 10).

y +__ = __(x + 1)

Answers

Hi
A(-1,-2)
B(3,10)

Firstly I will find slope of this linear function:
m=(y-yo) / (x-xo)

m=(-2-10)/(-1-3)
m=-12/-4
m=3

Replacing A(-1-2) :
(y-yo)=m(x-xo)

y+2 =3(x+1)

:D

a salesman bought a case of 48 backpacks for $576. he sold 17 of them fot $18 at the swap meet, and the rest were sold to a department store for $25 each. how much was the saleman's profit?

Answers

Well, if he sold 17 of them for $18, 17 times 18 = $306. Now he has 31 backpacks left. 31 times 25 = $775. 775 + 306= $1081 (final answer) Hope it helps!!!

the answer is:1,081.
Hope this helps! (:

If rolling a number cube, identify the following events as disjointed or overlapping.Event A: rolling a prime number
Event B: rolling a number larger than 4

Overlapping events ?
or
disjointed events ?

Answers

Answer:

Overlapping events

Step-by-step explanation:

Note that in the question, it specifically specifies that there is only a number cube (or 1 number cube). Note that the two events asked for us to solve is does not conflict at all.

Event A is asking for the probability of you rolling a prime number (1 , 3 , 5), while Event B is asking for the probability of you rolling a number larger than 4 (5 , 6). These two can occur at the same time, and both events can be confirmed by rolling the number 5.

Answer:

overlapping events

Step-by-step explanation:

Event A: Rolling a prime

The following are the prime numbers from 1 to 6 (inclusive):

2,3,5

Event B: Rolling a number larger than 4

The following are larger than 4 from 1 to 6 (inclusive):

5,6

Do you see any overlap?

The overlap is 5.

These are overlapping events.