Algebra Function Notation

Function d gives the distance of a boat from the dock t seconds after leaving the dock. Distance is measured in meters. Here is a graph that represents d.

Select the TRUE statement.

• d(40) < d(160)

• d(40) = d(70)

• d(0) > d(120)

• d(40) = 70

Function d gives the distance of a boat from the dock t seconds after leaving the dock. Distance is measured in meters. Here is a graph that represents d.

Which gives an output of 50?

• d(50)

• d(40)

• d(90)

• None of the above.

Function A gives the area of a square with a side length of s. The side length is measured in centimeters.

What does the expression A(5) = 25 represent in this situation?

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f(x) = x+7 find f(4)

• 11

• 12

• 9

• 10

f(x) = x+7 find f(1)

• 5

• 6

• 7

• 8

f(x) = x-5 find f(8)

• 5

• 3

• 9

• 13

g(x) = 3x + 1
g(2) = _______

• 6

• 7

• 8

• 9

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis

Which graph is not a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

f(x) = x+3

Find x when f(x) = 8

• -1

• 1

• 5

• -5