Answer:
- 13
Step-by-step explanation:
To evaluate (g ○ f)(3), evaluate f(3) then use this value to evaluate g(x)
f(3) = 3 - 7 = - 4, then
g(- 4) = 4(- 4) + 3 = - 16 + 3 = - 13
Answer: B. X+26<2x+16
Step-by-step explanation:
Let x be the number of lemonade Kaylee needs to sell to make a higher profit than Jason.
Given: Jason has made $26. he charge $1 per lemonade.
Total earnings after x lemonades = $26+($1) x
= $(26+x)
Kaylee has made $16. he charge $2 per lemonade.
Total earnings after x lemonades = $16+($2) x
= $(16+2x)
Required inequality : (16+2x)> (26+x)
i.e. correct option is B.
Answer:
1/2
Step-by-step explanation:
well, there are 10 cards altogether
then, count how many 5's there are.
there are 5.
therefore, 5/10 or 1/2
Answer:

Step-by-step explanation:
Here we need to move the negative sign to the rest of the variables, and then only add the ones with the same power:

And then move the variables with the same power closer together

See how -x^4 and -2x^4 are together?
All we have to do now is combine.

So our answer is 
He is overestimating because 2.25 * 6 = 13.5, which is less than 11.5