Exponential, Linear, or Quadratic Write Equations

What type of function is f(x)=2(3^x) ?

• Quadratic

• Linear

• Exponential

Is the equation linear, exponential, or quadratic?
y = 2x+ 4

• Linear

• Exponential

• Quadratic

• None of the above

Is the graph linear, exponential or neither?

• Linear

• Exponential 

• Neither

Is the table linear, exponential or neither?

• Linear

• Exponential

• Neither

The explicit equation for this table is

• f(n) = 4n - 1

• f(n) = 4ⁿ

• f(x) = 3ⁿ

• f(x) = 3(4)^{n - 1}

Tags

CCSS.HSF.LE.A.2

What type of function is represented in the graph?Write the equation of the graph.

Tags

CCSS.8.F.A.3

The explicit equation for the function is:

• f(x) = 3x + 2

• f(x) = 3x -1

• f(x) = 3x + 5

• f(x) = 5x + 3

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

Which equation best represents the graph?

• y = 2(x - 4)² + 5

• y = 2(x + 4)² + 5

• y = -2(x - 4)² + 5

• y = -2(x + 4)² + 5

Tags

CCSS.HSF-IF.C.7A

Write the equation of the exponential function.

Answer explanation

The y-intercept is (0,2), so a = 2.

Find b by dividing a y-value by the previous y-value.

b = 8/2 = 4

Tags

CCSS.HSF.LE.A.2

Choose all the equations that are exponential:

• y = 6x -5

• y = 8^x - 9

• f(x) = 3x² + 4

• y = 1/3^x

• y = 7x³