For #1 you're just plugging in the numbers that are in the parentheses for x.
For example:
f(2)
Take the given equation to plug in for x:
x^2-4x+5
(2)^2-4(2)+5
And from there you get the answer. Your final answer will look like this:
f(2)=? {the answer you got when you plugged in}
805/12 to find the mph so answer to that is 67.08333333333333 rounded would be 67.08 and since you need 9 hours, 67.08 x 9 which is 603.72. 603.72 is your answer
Answer:
Step-by-step explanation:
6x > x + 20
5x > 20
x > 4
(Put what the first number is) x (the previous number) + 8 + 12 = ?
Answer:
$250
Step-by-step explanation:
1st month you spent $300. And the flight back is $200. 300+200=500. 1500-500=1000. Yoy have 1000 dollars to spend in 4 months. 1000/4=250, so each month you can spend $250.