3 years ago

Given the following function, find f(-4), f(0), f(4).

Mathematics

2 answers:

timofeeve [1]3 years ago

8 0

Answer:

the secound

Step-by-step explanation:

took the test made 100

Marina86 [1]3 years ago

6 0

Hope this helps you.

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Find the slope of the line in simplest form (8, 9) (-7, 14)

xeze [42]

Slope= -1/3
14-9/-7-8
5/-15
1/-3

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3 years ago

Find the gradients of line a and b

gayaneshka [121]

Answer:

Gradient of A: 2

Gradient of B: -1

Step-by-step explanation:

Gradient = change in y/change in x

✔️Gradient of A using two points on line A, (2, 5) and (0, 1):

Gradient = (1 - 5)/(0 - 2) = -4/-2

Simplify

Gradient of A = 2

✔️Gradient of B using two points on line B, (0, 5) and (5, 0):

Gradient = (0 - 5)/(5 - 0) = -5/5

Simplify

Gradient of B = -1

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2 years ago

|c- 24| = 7c<br><br> :D :D :D

Ivanshal [37]

$c\geq0\\\\\\ |c- 24| = 7c\\\\c-24=7c \vee c-24=-7c\\\\6c=-24 \vee -8c=-24\\\\c=-4 \vee c=3\\\\-4\not \geq0\\\\\boxed{c=3}$

3 0

3 years ago

Read 2 more answers

Look at the question below.

sweet-ann [11.9K]

Answer: bottom left

4x+2y+15

Step-by-step explanation:

3x + x=4x

5 + 10= 15

2y=2y

4x+2y+15

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3 years ago

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3x^3-2x^2-147x+98=(ax-c)(bx+d)(bx-d) where a,b,c and d positive integers. Work out the value of a,b,c and d

Alexxx [7]

Expand the right side:

$(ax-c)(bx+d)(bx-d)=(ax-c)(b^2x^2-d^2)$

$=ab^2x^3-b^2cx^2-ad^2x+cd^2$

Notice that 98 = 2 * 7 * 7, so we have $c=2$ and $d=7$ .

Then

$-ad^2=-147\implies a=\dfrac{147}{49}=3$

and

$ab^2=3\implies b^2=1\implies b=1$

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3 years ago