thatgirlaj

The function is even, increa sing on [-10,0]open bracket negative 10 comma 0 close bracket, decreasing on, and not invertible.

The sum is

6r(1−r)4the fraction with numerator 6 r and denominator open paren 1 minus r close paren to the fourth power end-fraction

6𝑟(1−𝑟)4

The sum of the series is 10424329

To simplify a fraction, you can find the HCF of the numerator and denominator. 

Divide both the numerator and denominator by the HCF. 

If you get a large fraction, you can find the HCF to ensure a fully simplified fraction. 

A common factor is any number that divides both numbers evenly. 

The sum of the series is  22704/117649

.

The simplified expression for A + B is 

2x4+2x2+2

The smallest possible value of

a1+a2+a3a sub 1 plus a sub 2 plus a sub 3

𝑎1+𝑎2+𝑎3

is 30