Use Exponential Functions Answers

Given the table below, determine if the data represents a linear or an exponential function and find a possible formula for the function. x 0 1 2 3 4 f (x) 12.5 13.75 15.125 16.638 18.301 a. Exponential; c. Exponential; b. Linear; y = 1.499x + 12.3648 d. Linear; 12.3648x + 1.499 Please select the best answer from the choices provided

If $5000 is invested at an interest rate of 4% each year, what is the value of the investment in 5 years? Write an exponential function and solve. a. ;$6083.26 b. ;$26,662.37 c. ;$6830.26 d. ;$35,147.85 Please select the best answer from the choices provided

From the table below, determine whether the data shows an exponential function. Explain why or why not. x31-1-3y1234a.No; the domain values are at regular intervals and the range values have a common sum 1.b.No; the domain values are not at regular intervals.c.Yes; the domain values are at regular intervals and the range values have a common factor 2.d.Yes; the domain values are at regular intervals and the range values have a common sum 1.

A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 30(0.92)d, where y is the number of phone calls after d days. How many phone calls should she expect after a week?a.28c.17b.23d.2

Given the table below, determine if the data represents a linear or an exponential function and find a possible formula for the function. x 0 1 2 3 4 f(x) 0 2 4 6 8 a. Exponential; c. Exponential; b. Linear; y = 2x d. Linear; y = x Please select the best answer from the choices provided

Given the table below, determine if the data represents a linear or an exponential function and find a possible formula for the function. x 0 1 2 3 4 f(x) 0 2 4 6 8 a. Exponential; c. Exponential; b. Linear; y = 2x d. Linear; y = x Please select the best answer from the choices provided

Determine which of the following graphs represent the equation below. Also determine the y-intercept of the graph. a. y-intercept = 3 c. y-intercept = 1 b. y-intercept = 1 d. y-intercept = 2 Please select the best answer from the choices provided

From the table below, determine whether the data shows an exponential function. Explain why or why not. x321–1y820.50.125a.No; the domain values are at regular intervals and the range values have a common factor 0.25.b.No; the domain values are not at regular intervals although the range values have a common factor.c.Yes; the domain values are at regular intervals and the range values have a common factor 4.d.Yes; the domain values are at regular intervals and the range values have a common factor 0.25.

What is the y-intercept of the graph of y = 2.5x?a.2.5c.0b.1d.-1

Exponential functions exhibit exponential growth (or decay). What does this mean to the graphs of these functions?a.the graph will rise or fall more dramatically than a polynomial graphc.the graphs represent the population of bacteria in your mouthb.the graph is three dimensionald.the exponent in the equation is less than one