83) If ax + y = 6 and be - y =2, what is (a + b)x?
(I got 8)
90)
Define the operation (symbol) for any two real numbers x and y such that x (symbol) y = x^2 -2y. What is the value of 6 (symbol) (2 symbol 3)?
( I got 40)
92) F(x) = 3/x
What is f(f(6) + f(4))?
(I got 12/5)
2 answers
Very good, I agree with all your answers
Okay thank you