just follow the definition:
f(a,b) = 2a - 3b^2 + 7
f(b,3) = 2b - 3(3)^2 + 7 = 90
2b - 27 + 7 = 90
2b = 110
b = 55
Let f(a,b) = 2a - 3b^2 + 7. If f(b,3) = 90, then what is b?
Thank you for helping!
1 answer
Thank you for helping!
1 answer