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Step2247 [10]
2 years ago
15

Write a linear function f with the values f(0)=−3 and f(7)=11 A function is f(x)=

Mathematics
1 answer:
Rudik [331]2 years ago
4 0

Answer:

f(x) = 2x - 3

Step-by-step explanation:

x    y

0  -3

7   11

when x = 0, y = -3.  When x increases by 7, y increases by 14, or when x increases by 1, y increases by 2.

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What is the equation of the polynomial function?
dolphi86 [110]

Answer:

f(x) = (1/2)(x-2)^2(x+1)(x+2)

Step-by-step explanation:

You can determine this by looking at the zeroes of the graph. For any zero that goes through the x-axis, the power of that zero is odd. For any zero that that "bounces" from the x-axis, the power of that zero is even.

Starting from left to right, we can see that the first zero, -2, goes through the x-axis. That means (x+2) is raised to an odd power. The second zero, -1, also goes through, so (x+1) is raised to an odd power. The last zero, 2, bounces off the x-axis, so (x-2) is raised to an even power. The only functions that satisfy this criteria are function 1 and 2.

However, we are not done yet. We need to figure out which multiplier value (1/2, 1/4) is correct. To do this, we plug in 0 for x, since we know that the y-intercept is 4. When we plug in 0, we see that f(0) = 4 for the first function. Therefore, the first function is the answer.

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7 0
3 years ago
A small concert hall was setting up chairs for the next concert. The graph below shows the
Y_Kistochka [10]

I believe it's A, sorry if it's incorrect. ^-^'

4 0
3 years ago
What is the domain of the function f(x)= 1/3x+2
frutty [35]
If it is 1/(3x+2), 3x+2≠0 =>x≠-2/3, the domain is all real number except -2/3
if it is 1/(3x)+2, 3x≠0, x≠0, the domain is all real number except 0

It is hard to tell from your equation what the demonstrator is.
3 0
3 years ago
Read 2 more answers
Pls explain ur answer
Nikolay [14]

Answer:

meters

the meter is the largest unit of measurement of distance. If the meter is used, the bar chart would be more compact and the all the distances would be well represented on the bar chart

Step-by-step explanation:

3 0
2 years ago
Lol again another math solver help pls! LOL
gladu [14]

Answer:

b = 4

Step-by-step explanation:

5-1=5b-4b

4=b

4 0
2 years ago
Read 2 more answers
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