3 years ago

Let f(x) = 3x +5 and g(x) = -4x +7. Find (fog)(-4)

Mathematics

1 answer:

sesenic [268]3 years ago

7 0

(fog)(x)=f(g(x))

f(g(x))=3(-4x+7)+5
f(g(-4))=3(-4(4)+7)+5=3(-16+7)+5=3(-9)+5=-27+5=-22

(fog)(-4)=-22

You might be interested in

The width of a rectangle is three times its height. If it has an area of 60.75 square feet, what are its dimensions?

horrorfan [7]

The answer is D my dude don’t over think. Since it’s are multiply your answer choices till you reach 60.75

8 0

3 years ago

Read 2 more answers

if △ ABC ~ △A'B'C' and AC=20cm,A'C'=15cm,B'C'=12cm andA'B'=9cm find the lengths of the other sides of △ABC.

zlopas [31]

Answer:

AB=12 BC=9

Step-by-step explanation:

Any side of a triangle must be shorter than the other two sides added together.

AB and A'B' must measure LESS than the other 2 sides

15 is 3/4 of 20

12 is 3/4 0f 9

20/15 12/9 = 1.3333333........

6 0

2 years ago

What does 5.74 round to

kodGreya [7K]

The nearest whole number rounds to 6

The nearest tenth rounds to 5.70

The nearest hundredth rounds to 5.70

4 0

4 years ago

The position of a particle moving along the x-axis is given by a twice-differentiable function x(t). If x(2) < 0, x'(2) <

7nadin3 [17]

Answer:

c cuz differential of position is velocity, velocity is negative so moving away, differential of velocity is acceleration, negative acc is decreasing velocity

3 0

3 years ago

What is the value of the expression below when y = 7?<br> y2+ 5y + 6

Aleksandr-060686 [28]

Plug in 7 for x and solve.

${y}^{2} + 5y + 6$

${(7)}^{2} + 5(7) + 6$

$49 + 35 + 6$

$90$

3 0

3 years ago