Given the functions f(x) = 3x²+5x-8 and g(x) = 2x²+4x-9

Find f(x) + g(x) and g(x) -f(x)

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]