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Hatshy [7]
3 years ago
8

Find f(-2) f(x)=2x^2 - 3x+6a. 4b. 8c. 10d. 20​

Mathematics
2 answers:
Harrizon [31]3 years ago
6 0
I think it should be D
Alexus [3.1K]3 years ago
4 0

Answer:

Step-by-step explanation:

If (x+2) = 0; therefore, x = -2 .hence

f(-2) = 2x² - 3x + 6; 2(-2)² - 3(-2) +6

2(4) +6 +6; 8 + 12, =20. Therefore D is the correct answer.

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If (2,3) is reflected over the y axis what is the new coordinates
Andrei [34K]

Answer:

(-2,3)

Step-by-step explanation:

When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite (its sign is changed). Notice that B is 5 horizontal units to the right of the y-axis, and B' is 5 horizontal units to the left of the y-axis. the y-axis is the point (-x,y).

3 0
3 years ago
The equation for line s can be written as y = x + 3. Line t, which is parallel to line s,
arlik [135]

Answer:

y=x-1

Step-by-step explanation:

6 0
3 years ago
What is the measure in degrees of 8x if one angle is already 7x and 44.4 degrees?
Julli [10]
7x+8x+44.4=180

15x=44.4=180

15x=135.6

x=9.04°

so 8x=72.32° and the 7x is 63.28°
6 0
3 years ago
2. Hasil dari<br>+<br>9,1-2<br>5<br>=<br>A. 6,5<br>B. 7,5<br>7<br>C. 6<br>30<br>D. 7<br>7<br>30​
sasho [114]

Answer:

Itu mudah 2.18

A.11

B.19

C.36

D.44

6 0
3 years ago
F(x)=18x+11, find f(5)
Natalija [7]

Answer:

\boxed {\tt f(5)=101}

Step-by-step explanation:

We are given the function:

f(x)=18x+11

and asked to find f(5). Therefore, we must substitute 5 in for each x.

f(5)=18(5)+11

Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.

Multiply 18 and 5.

f(5)=90+11

Add 90 and 11.

f(5)=101

f(5) is equal to 101.

5 0
3 years ago
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