Solve for where it equals 0
use grouping
(2x^4+x^3)+(6x+3)=0
(x^3)(2x+1)+(3)(2x+1)=0
(x^3+3)(2x+1)=0
set equal to zero
x^3+3=0
x^3=-3
x=-∛3
2x+1=0
2x=-1
x=-1/2
now see where the inequality is true
evaluate for x=0
we get 3>0, true
so it it outside the range from -∛3 to -1/2
basically
x<-∛3 or x>-1/2
those are the solutionsets
C
when you put all the equations into slope intercept form and then graph them, answer C will give you the exact same line that is already on the graph. for a system to have infinitely many solutions it would have to be two lines that are exactly the same because they are intersecting an infinite amount of times
Let's break it up into 2 figures, the rectangle on the right with dimensions 3 x 10, and the rectangle on the left with dimensions 8 x 6.
A = 3 x 10
A = 8 x 6
A = 30
A = 48
The sum of these two, 78, will represent the area of the total figure.
Answer:
C) 8
Step-by-step explanation: