Are the functions linear or nonlinear?
1. y = 2x − 9
2. y = −10.2
3. y = 3x2 + 7
4. 3x + 5y = 15

Asequence is defined recursively by the formula  f(n  +  1)  =  f(n)  +  3 . the first term of the sequence is  –4. what is the next term in the sequence? –7–117

Josephine has a great garden with and area of 2x2 + x - 6 square feet

Find the quotient. 50a2 – 98b2 -5a +7b