3 years ago

Given f(x)=2\x^2-8x+36,find f(-4)

Mathematics

1 answer:

Keith_Richards [23]3 years ago

8 0

$\frac{2}{(-4)^2-8(-4)+36} = \frac{2}{16+32+36} = \frac{1}{42}$

You might be interested in

Solve for j. 3 + 4 2 -3

xeze [42]

Answer:

Hello!

Step-by-step explanation:

How do we solve for j when there is no equation with j in it to solve for j. Hope we can help you with this when we get a equation!

3 0

3 years ago

Help and explain Don’t use for points or I will take it back

KIM [24]

Step-by-step explanation:

step 1. x + 51 + 39 + 127 = 360 (1 revolution is 360°)

step 2. x + 90 + 127 = 360

step 3. x + 127 = 270. (subtract 90 on both sides)

step 4. x = 143° (subtract 127 on both sides)

4 0

3 years ago

It’s meff plz help meh out

quester [9]

Use the box method.

5 0

3 years ago

What is the value of t?

inna [77]

Answer:

4.56

Step-by-step explanation:

After this equation is simplified, it is solved the way any 1-step linear equation is solved.

1.4t -0.4(t -3.1) = 5.8 . . . . . . given

1.4t -0.4t +1.24 = 5.8 . . . . . eliminate parentheses

t +1.24 = 5.8 . . . . . . . . . collect terms (now you have a 1-step equation)

t = 4.56 . . . . . . . . . .subtract 1.24

4 0

2 years ago

Solve the proportion. 47/39 = b/2 A: 94/39 B: 78/47 C: 47/78 D: 39/94

pshichka [43]

Answer:

b = 94/79

Step-by-step explanation:

47/79 = x/2

79x = 94

x = 94/79

7 0

3 years ago