Si x=2, ¿cual es el resultado de x²+x+1?​

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

Which expression is equivalent to 2x^2+7x+4?

Which of the following pairs of functions are inverses of each other? o a. f(x)=x72+8 and 96-9 = 7/x+2) =8 o b. f(x)= 6(x - 2)+3 and g(x) - *#2-3 o c. $4) = 5(2)-3 and 90- 4*: 73 o d. f(x) = 6)-12 and 910 – +12