which of the following is true about linear function
A. its a graph
B. it is defined by f(x) = mx + b
C. it is the productvof a constant and a variable
D. all of the above is true about linear function

2. Jeana saves money from her daily allowance. She has Php300 already, and she saves Php10 a day. Which equation represents the total saving of jeana after x hours?
A. f(x) = 10x + 300
B. f(x) = 10x - 300
C.f(x) = 300x + 10
D. f(x) = 300x - 10​