Select the correct answer from each drop-down menu.
The scatter plot shows the population of black toads in a forest reserve since their introduction. It also includes a set of functions drawn by
different researchers to estimate the change in population of the toads.
Black Toad Population
16
14
12
10
Number of Black Toads
(in thousands)
Function A
Function B
Function C
- Function D
0
9
2
8
3
5
7
Number of years since Introduction

step-by-step explanation:

how many centimeters did the level of the salsa go down by?

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step-by-step explanation:

hello from mrbilldoesmath!

answer:   (7x + 6y) ( 49x^2 - 42xy + 36y^2)

discussion:

in general, the factorization of a^3 + b^3 is

a^3 + b^ 3 = (a + b) ( a^2 - ab + b^2)

in our case note that 343 = 7^3 and 216 = 6^3 so the equation becomes:

343x^3 + 216y^3 = (7x)^3 + (6y)^3

if you think of a (above) as 7x and b as 6y the factorization becomes

343x^3 + 216y^3 =

((7x + 6y) (   (7x)^2 - 7x*6y + (6y)^2)   =

(7x + 6y) ( 49x^2 - 42xy + 36y^2)

you,

mrb

(a + b) (a^2 - a b + b^2)