algebra 2b - exam 1/ Key Questions with 100%
Correct Answers.
Terms in this set (19)
examine the graph. the initial value is 1.
https://assets.learnosity.com/org domain: (−∞, ∞) range: (−1, ∞)
anisations/625/c650aec0-9e9d4f17-
8408-5a6a91f474bf.png as x approaches −∞, f(x) approaches ∞, and as x approaches ∞, f(x)
approaches −1.
select all true statements about the
function.
the general form of an exponential y = 20(25^x) + 3
equation is y = ab^x + k. what is the
general form of the following
equation?
y - 3 = 4(5^2x+1)
sketch the graph of the exponential https://assets.learnosity.com/organisations/625/d6c6f4bb-421d-
function f(x) = 3^x 3. which graph is 4e15-aa34-f28e5281d163.png
the correct representation of the
function?
a rare baseball card that was the initial value is 12,000 and it represents the price of the baseball card
purchased increases in value over at the time of purchase.
time. the function c(t) is
represented on the following graph,
where c represents the value of the
card, and t is time in years since the
card was purchased.
what is the initial value, and what
does it represent?
the function f(x) = 3 4^x + 5 is f(x) moves 7 units downward
translated to become g(x) = 3 4^x -
2. what is the effect on f(x)?
which graph shows f(x) = 2^x - 3 and https://assets.learnosity.com/organisations/625/a1570a35-80c9-
its translation g(x) = f(x) + 7? 40a1-8160-8e73169888c6.png
Correct Answers.
Terms in this set (19)
examine the graph. the initial value is 1.
https://assets.learnosity.com/org domain: (−∞, ∞) range: (−1, ∞)
anisations/625/c650aec0-9e9d4f17-
8408-5a6a91f474bf.png as x approaches −∞, f(x) approaches ∞, and as x approaches ∞, f(x)
approaches −1.
select all true statements about the
function.
the general form of an exponential y = 20(25^x) + 3
equation is y = ab^x + k. what is the
general form of the following
equation?
y - 3 = 4(5^2x+1)
sketch the graph of the exponential https://assets.learnosity.com/organisations/625/d6c6f4bb-421d-
function f(x) = 3^x 3. which graph is 4e15-aa34-f28e5281d163.png
the correct representation of the
function?
a rare baseball card that was the initial value is 12,000 and it represents the price of the baseball card
purchased increases in value over at the time of purchase.
time. the function c(t) is
represented on the following graph,
where c represents the value of the
card, and t is time in years since the
card was purchased.
what is the initial value, and what
does it represent?
the function f(x) = 3 4^x + 5 is f(x) moves 7 units downward
translated to become g(x) = 3 4^x -
2. what is the effect on f(x)?
which graph shows f(x) = 2^x - 3 and https://assets.learnosity.com/organisations/625/a1570a35-80c9-
its translation g(x) = f(x) + 7? 40a1-8160-8e73169888c6.png
