NC Math 4 Review for Final (Part 3)

Front

What are the green dots called?

Back

roots/x-intercepts

Front

What is the range of the graph?

Back

1 ≤ y ≤ 5

Front

Using the pictured graph, what is f(-3)?

Back

-3

Front

Solve for x: 3^(2x – 6) = 81

Back

x = 5

Front

Find the value of x: log₃9 = x

Back

x = 2

Front

Define roots/x-intercepts in a graph.

Back

Points where the graph intersects the x-axis.

Front

What is the definition of range in a function?

Back

The set of all possible output values (y-values) of a function.

Front

How do you find the y-intercept of a function?

Back

Set x = 0 and solve for y.

Front

What is the logarithmic identity for log_b(b^x)?

Back

x, because the logarithm base b of b raised to x is x.

Front

What is the relationship between exponential and logarithmic functions?

Back

They are inverses of each other.