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umka2103 [35]
2 years ago
7

Find an equation of the line through (1,8) and parallel to y = 4x +3. Write the equation using function notation.

Mathematics
2 answers:
brilliants [131]2 years ago
5 0

Answer:

f(x) = 4x + 4

Step-by-step explanation:

When a line is parallel to another line, the slopes are always equal. Therefore,  the coefficient for x has to be four. If you multiply the y-coordinate by 4, you get 4. To get 8, you have to add four, so the equation is simply f(x) = 4x+4.

Mrrafil [7]2 years ago
5 0

Answer:

Step-by-step explanation:

C

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Can u help me plz this is very hard to and idk why
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The answer you are looking for is option C, ten feet! 
1 yard = 3 feet, so, when we have 3 yards, it is 9 feet! Then, we add a foot making the answer 10! Hope this helps! :)


7 0
3 years ago
Which has both 4 &amp; -4 as possible values of y? <br><br> A.) 8<br> B.) 64<br> C.) 16
sweet [91]

Answer:

may be 16

Step-by-step explanation:

I can't under stand but 4×4=16

3 0
2 years ago
Solve for x: 18 over 10= x over 12 Prove your answer in the show your work box.<br> Pls hurry
alexandr1967 [171]

i'm doing cross-multiplication for this problem:

\frac{18}{10}=\frac{x}{12}     multiply 18 · 12, which is 216

\frac{216}{10}=x     divide 216 ÷ 10, which is 21.6

21.6 = x, is the final answer

8 0
3 years ago
The function LaTeX: f\left(x\right)=2\cdot5^xf ( x ) = 2 ⋅ 5 x can be used to represent an exponential growth curve. Which of th
masha68 [24]

Answer:

(2,20)

Step-by-step explanation:

The given function is

f(x) = 2 \cdot \:  {5}^{x}

To see which point is not on this curve, we must substitute the points to see which does not satisfy the equation;

For the first point we substitute x=3 and f(x)=250

250= 2 \cdot \:  {5}^{3}  \:  \\ 250 = 2 \times 125 \\ 250 = 250

This is true.

For the second point (2,20), we put x=2 and y=20 to get:

20= 2 \cdot \:  {5}^{2}  \\ 20 = 2 \times 25 \\ 20 = 50

This is false, hence (2,20) does not lie on this curve.

For (1,10), we have:

10= 2 \cdot \:  {5}^{1}  \\ 10 = 10

This is also true

Finally for (2,50), we have;

50= 2 \cdot \:  {5}^{2}  \\ 50 = 2 \times 25 \\ 50 = 50

This is also true.

4 0
3 years ago
Calculate the infant mortality rate (per 1,000 live births) from the following data:
Feliz [49]

Answer:

ahsbbsnssisiskak sjsnsnaan

8 0
3 years ago
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