Ir Growth Lesson Quiz Algebra 2 A SHAL 21-22 / Module 6: Exponential and Logarithmic Functions
1. In 1990, Jamaica's population of 2,466,000 was expected to grow exponentially by 1.1% each year. What is the range of the exponential function that describes the
Y>_2,400,000
Y>_0
all real numbers
X>_0

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

b

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