3 years ago

3. (Skill: Evaluating function notation.)

Mathematics

1 answer:

Dvinal [7]3 years ago

3 0

Answer:

Step-by-step explanation:

You must change every X of the fuction by the number inside in f( ), in this case you will change every X of x2 - 3x +1 by -4

$f(x)=x^{2} -3x+1\\f(-4)=(-4)^{2} -3(-4)+1\\f(-4)=16+12+1\\f(-4)=29$

You might be interested in

The work that Yi did to find the greatest common factor of 42 and 63 is shown below. Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42 Fa

Crazy boy [7]

Answer:

see explanation

Step-by-step explanation:

The error is that the factors of 3 and 21 are missing from the list for 63

Factors of 42 : 1, 2, 3, 6, 7, 14, 21, 42

Factors of 63 : 1, 3, 7, 9, 21, 63

common factors are : 1, 3, 7, 21

greatest common factor = 21

5 0

3 years ago

Read 2 more answers

What is the measurement of abd <br><br>

belka [17]

Answer:

it is 23. always remember it's supposed to add up to 180. So add up all your numbers and subtract the total from 180 to get your answer

4 0

3 years ago

Read 2 more answers

Gloria has a job of clearing a vacant lot that is 40 yards long and 25 yards wide. She can clear 12 square yards a day. Gloria w

Nostrana [21]

Answer: $83\dfrac{1}{3}\ \text{days}$

<u>Step-by-step explanation:</u>

$\dfrac{40\ \text{yards} \cdot \ 25\ \text{yards} }{12\ \text{yards}^2} = \dfrac{1000\ \text{yards}^2}{12\ \text{yards}^2}=\dfrac{1000}{12}=\dfrac{250}{3}=83\dfrac{1}{3}$

7 0

3 years ago

Read 2 more answers

The length of a rectangle is 5/2 units greater than twice its width. If it’s width is w, which expression gives the perimeter of

SashulF [63]

P = 2(L + W)
L = 2W + 5/2

P = 2(2W + 5/2 + W)
P = 2(3W + 5/2)
P = 6W + 5
P - 5 = 6W
(P - 5) / 6 = W or 1/6P - 5/6 = W <===

3 0

3 years ago

In a local election, 40,200 people voted. This was an increase of 5% over the last election. How many people voted in the last e

ArbitrLikvidat [17]

To increase 40,200 by 5%, you can multiply 40,200 by $\frac{105}{100}$
this would bring you to 42,2210 people voting in the last election

5 0

4 years ago