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oee [108]
3 years ago
6

Please help! functions operations. explain please

Mathematics
1 answer:
Lina20 [59]3 years ago
5 0

Answer:

f^{-1}(x)=x^2-3

Step-by-step explanation:

Given f(x)=\sqrt{x+3}

Let y=\sqrt{x+3}

Interchange x and y

x=\sqrt{y+3}

Solve for y, by first squaring both sides

x^2=y+3

x^2-3=y

Hence

f^{-1}(x)=x^2-3

The last choice is correct

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Find the equation of a line that contains the points (−3,−1) and (−4,−7). Write the equation in slope-intercept form
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Answer:

y =6x+17

Step-by-step explanation:

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   6

The slope intercept form of the equation is

y = mx+b  where m is the slope and b is the y intercept

y = 6x+b

Substitute a point into the equation

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Add 18 to each side

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The equation is

y =6x+17

8 0
3 years ago
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