Answer:
n>1
Step-by-step explanation:
usually, you can solve an inequality as if it were a regular equation. Just be aware of the instances where the inequality flips.
No because when one number is odd and the other one is even it can't be simplified (unless they are multiples/factors of each other) ex: 7/14
17. (x^2-x+3)(4x+1)
18.(x+2)(x) - (7)(3)
0.51
The hundredths place increases when it is higher than or equal to 5 in the thousandths place.
For starters, find the common change in the terms, in this case each goes down by 3. This lets you know you're gonna have a -3n in your equation as each term decreases by 3. Your equation should be in f(n)=c+rn form, with r being change in f(n), or -3 in this case. This gives you f(n)=c-3n. Now, solve for c, add 3n to both sides to get f(n)+3n=c. Plug in your n of 1 and f(n) of 20 to get c=20+3(1)=23. Plug in your c to your f(n) formula to get f(n)=23-3n as your f(n) function.