question

Isaak is writing an explicit formula to represent the sequence.
64, 112, 196, 343, ...
What value should he use as the common ratio in the formula? Write the answer as a decimal rounded to the nearest hundredth.

answer

1.75

question

Which is equivalent to 216 ^1/3?
(3,6,36, 0r 72)

answer

6

question

A sequence of numbers begins with 12 and progresses geometrically. Each number is the previous number divided by 2.
Which value can be used as the common ratio in an explicit formula that represents the sequence?

answer

1/2

question

What is the domain of f(x) = 5^x -7?

answer

{x|x is a real number}

question

Lena is asked to write an explicit formula for the graphed geometric sequence.
What value, written as a decimal, should Lena use as the common ratio?

answer

2.5

question

A conservationist determines that a particular beach is eroding at a rate of 1.1% each year. When writing an explicit formula to represent the amount of beach remaining each year, which value should she use as the common ratio?

answer

0.989

question

Pherris is graphing the function f(x) = 2(3)x. He begins with the point (1, 6). Which could be the next point on his graph?

answer

(2, 18)

question

When 9^2/3 is write-in simplest radical form, which value remains under the radical?
(3, 6, 9 or 27)

answer

3

question

What is the simplified base for the function f(x) = 2(3β27(2x)?
(2, 3, 9 or 18)

answer

9

question

Which is equivalent to β10^3/4x?

answer

4β10^3x

question

The graph of f(x) = 6(0.25)x and its reflection across the y-axis, g(x), are shown.
What is the domain of g(x)?

answer

all real numbers

question

Which graph represents exponential decay?

answer

d.

question

What is the range of f(x) = (3/4)^x - 4?

answer

{y | y >-4}

question

Which is the graph of f(x) = 1/4(4)^x?

answer

Graph d (points 1,1 ; 2,4; etc)

question

Which value of "a" in the exponential function f(x) = a(1/3)^X would cause the function to stretch?

answer

a smaller value in relation to the parent function

question

Which is equivalent to 80^1/4x?

answer

(80/4)^x

question

The graph of g(x) is at the result of translating the graph of f(x) =3^x six units to the right.
What is the equation of g(x)?

answer

g(x) =3^x-6

question

Which formula can be used to describe the sequence -2/3, -4, -24, -144?

answer

f(x)=2/3(-6)^x-1

question

Which graph represents a geometric sequence?

answer

graph a. /

question

An exponential function f(x) is reflected across the x-axis to create the function g(x). Which is a true statement regarding f(x) and g(x)?

answer

The two functions have opposite output values of each other for any given input value.

question

After 1 year, a bank account contains $7,746.90. After 2 years, the same account contains $7,901.84. Assuming no deposits or withdrawals are made, which equation can be used to find y, the amount of money in the account after x years? (Round money values to the nearest penny.)

answer

y = 7595(1.02)x

question

Which function represents exponential decay?

answer

f(x) = 4(2/3)x

question

The function f(x) = 5(1/5)x is reflected over the y-axis. Which equations represent the reflected function? Check all that apply.

answer

f(x) = 5()-x
f(x) = 5(5)x

question

The function g(x) = 8(4x) is reflected across the x-axis to create f(x).
What is the equation for f(x)?

answer

-8 or (f(x) = -8(4)^x

question

which function is a shrink of the exponential growth function shown on the graph?

answer

f(x) = 2(1/3)^x

question

Which exponential function is represented by the table?
f(x) = 2(2^x);
f(x) = 0.8(0.8^x)
f(x) = 2(0.8^x)
f(x) = 0.8(2^x)

answer

f(x) = 0.8(2^x)