Answer:
f(g(x)) = 15x³ - 5
Step-by-step explanation:
how confusingly described.
let me try and summarize what I understood :
f(x) = 3x² - 5
money earned when baking x cookies.
g(x) = sqrt(5x³)
the amount of cookies baked in x hours.
f(g(x)) now calculates how much money she earns when baking for x hours.
it is basically very simple : instead of f(x) we have f(g(x)), so g(x) is used as argument/variable in f instead of just plain x.
therefore,
f(g(x)) = 3×(sqrt(5x³))² - 5
with x now representing the baking hours, but f(...) calculating the overall money earned, by implicitly (!) calculating the amount of cookies baked in that time and taking that result automatically to calculate the earned money.
let's simplify this a little bit more.
f(g(x)) = 3×(sqrt(5x³))² - 5 = 3×(5x³) - 5 = 15x³ - 5
Answer:
4600 pounds
Step-by-step explanation:
There are 2,000 ponds in 1 ton
First Elephant:
7(2,000)+400=14,400
Second Elephant:
4(2,000)+1,800=9,800
Find the difference by subtracting
14,400-9800=4,600
The first elephant weighs 4,600 pounds more than the second
Hope this helps! :)
Answer:
137.46 lbs
Step-by-step explanation:
158-13%158=137.46
Factor by grouping because there are 4 Terms
Break the expression into two groups, then if you factor out what you need to do, then factor out the common term, you'll end up with ( 3x - 11 ) ( x - 10 )