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aliina [53]
3 years ago
10

What is f(4.5) what si the value of x for which f(x)=3?

Mathematics
1 answer:
notsponge [240]3 years ago
4 0
It kind of looks like your missing something in you problem.  But if f(x) = 3 is correct, then it doesn't matter what x is the answer is always going to be 3.  So f(4.5) = 3.  Most of the time though f(x) means a function of x, so there is an x in the problem.  For example: f(x) = 3x, then f(4.5) = 3*4.5 = 13.5.
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Rama09 [41]

Answer:

The answer is

\huge y = 3x + 21

Step-by-step explanation:

To find an equation of a line given the slope and a point we use the formula

y -  y_1 = m(x -  x_1)

where

m is the slope

( x1 , y1) is the point

From the question the point is (−5, 6) and slope = 3

The equation of the line is

y - 6  = 3(x + 5) \\ y - 6 = 3x + 15 \\ y = 3x + 15 + 6

We have the final answer as

y = 3x + 21

Hope this helps you

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Given<br> f(x) = 3x + 10 and g(x) = x - 2, find f (g(5))<br> -10<br> 23<br> None of these.
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Explanation:

f(g(5)) first let’s find g(5)

We know:
g(x) = x - 2
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Thus, f(g(5)) = f(3) because g(5) = 3

=> f(3) = 3(3) + 10
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Therefore, f(g(5)) = 19
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