Upward Bound Assessment 1

Front

Which function shows an initial amount of $15 and an increase of 35% each year?

Back

y = 15(1.35)^{x}

Front

What is the initial value of the function y=⅓ × 4^{x}?

Back

⅓

Front

Evaluate a^{2} + a when a = 3.

Back

12

Front

How do you correctly say 4^{3}?

Back

4 cubed

Front

Which answer choice correctly shows the expression in exponential form: @@4 oot{625x^3}@@?

Back

5x^{3/4}

Front

What is the formula for exponential growth?

Back

y = a(1 + r)^{t}, where a is the initial amount, r is the growth rate, and t is time.

Front

Define exponential function.

Back

A function of the form f(x) = a * b^{x}, where a is a constant, b is a positive real number, and x is the exponent.

Front

What does the term 'initial value' refer to in a function?

Back

The value of the function when the independent variable is zero.

Front

How do you express 625 as a power of 5?

Back

625 = 5^{4}

Front

Back

8