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Straight lines

Level 1 · Function values and slope

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Find the value of the function.

1.
f(x)=x+1,f(3)f(x) = x + 1,\quad f(3)
2.
f(x)=x,f(2)f(x) = x,\quad f(2)
3.
f(x)=−2x+7,f(−2)f(x) = -2x + 7,\quad f(-2)
4.
f(x)=3x−2,f(−3)f(x) = 3x - 2,\quad f(-3)
5.
f(x)=−5x+1,f(2)f(x) = -5x + 1,\quad f(2)

Give the slope k of each line.

6.
y=4x−2y = 4x - 2
7.
y=−6−2xy = -6 - 2x
8.
y=−9+3xy = -9 + 3x
9.
y=−4x−4y = -4x - 4
10.
y=3x−3y = 3x - 3

0 of 10 right

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