All categories

2 years ago

Let f(x) = 8x – 3. What is f(5)? A. 43 B. 40 C. 37 D. 45

2 answers:

7 0

C. 37 because if you do f(5) you need to change the other x to 5 giving you f(5)=8(5) - 3 then you just multiply 8 times 5 which is 40 then subtract 3 and you get 37 so f(5) = 37

g100num [7]2 years ago

6 0

Answer:

Step-by-step explanation:

Math

You might be interested in

Please help me <br><br>If 180°<α<270°, cos⁡ α=−8/17, what is sin -α?

rewona [7]

Starting from the fundamental trigonometric equation, we have

$\cos^2(\alpha)+\sin^2(\alpha)=1 \iff \sin(\alpha)=\pm\sqrt{1-\cos^2(\alpha)}$

Since $180$ , we know that the angle lies in the third quadrant, where both sine and cosine are negative. So, in this specific case, we have

$\sin(\alpha)=-\sqrt{1-\cos^2(\alpha)}$

Plugging the numbers, we have

$\sin(\alpha)=-\sqrt{1-\dfrac{64}{289}}=-\sqrt{\dfrac{225}{289}}=-\dfrac{15}{17}$

Now, just recall that

$\sin(-\alpha)=-\sin(\alpha)$

to deduce

$\sin(-\alpha)=-\sin(\alpha)=-\left(-\dfrac{15}{17}\right)=\dfrac{15}{17}$

6 0

2 years ago

Read 2 more answers

Morgan is walking her dog on an 8-meter-long leash. She is currently 500 meters from her house, so the maximum and minimum dista

Gnom [1K]

Given:
Morgan = 500 meters from her house
Length of leash = 8 meters

minimum distance of the dog from the house 500 - 8 = 492 meters.
maximum distance of the dog from the house 500 + 8 = 508 meters.

7 0

3 years ago

How many<br>tenths are there in 2 2/5<br>

Alona [7]

Answer:

0.4

Step-by-step explanation:

5 0

2 years ago

A rectangle is a parallelogram. What is true of the diagonals of a rectangle

maw [93]

Answer:diagonals of rectangle are equal in length while diagonals of a parallelogram can be different lengths

Step-by-step explanation:

3 0

2 years ago

Help y<-1/3x+1 y≤2x-3

patriot [66]

Answer:

-(1/3)x+1>y

2x-3≥y

If x<12/7 then 2x-3≥y

and if x≥12/7 then -(1/3)x+1>y

3 0

2 years ago