Combine like terms: -2x4+16+2x4+9-3x5 PLEASE HELP

16 - 3x5

Step-by-step explanation:

In the expression -2x4+16+2x4+9-3x5

-2x4 will eliminate +2x4 so we have 16 - 3x5 these two are not like terms so we can't add or subtract them

See below.

Step-by-step explanation:

A helpful thing to do is to rearrange them in descending order:

We can see that the second and third term cancel. The fourth and fifth term are able to be added:

Note: If you're confused on why cancel, use the distributive property:

  b.   the average rate of change of f(x) is less than the average rate of change of g(x).

step-by-step explanation:

since the length of the interval is the same in each case, we only need to compare the change in y-value to see which is greater.

so the change in y-value for function f is (6 )) = 9.

the table tells us

so the change in y-value for function g is (31 -1) = 30.

the change in y-value of f(x) on the interval is less than the change in y-value of g(x) on the same interval, so the average rate of change of f(x) is less than the average rate of change of g(x).

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step-by-step explanation: