V Pause Q Zoom Question 2 Given f(x) = 3x + 1 and g(x) = 5x - 7, what is the coordinate where the graphs of the two functions will intersect? A (-1,-2) (4.13) C (8,25) D The graphs will not intersect

b) 36

step-by-step explanation:

18 times 2 is 36

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

c) the median for town a 30" is greater than the median for town b 25"

step-by-step explanation:

town a, median = q2 = 30

town b, median - q2 = 25

so the median for town a 30" is greater than the median for town b 25"

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