Functions
function or not a function
(1,2) (2,4) (3,5) (6,1) (8,9) (1,4)
not a function
10(2x+2)=40
x=1
(2.3×102)(3×103)
6.9×105
(1,2) (2,8) (6,8) (9,10) (4,1) (3,7) (11,3) (5,12) (16,8) (2,22) (17,12) (14,7)
not a function
2(5x-10)+2=65
x=8.3
(1.7×102)+(2.5×103)
2.67×103
(9×106)÷(3×105)
3×101
(30×106)÷(5×107)
6×10-1
(2×104)-(6.1×105)
5.9×105