Which of the following functions are linear?

Function A
x 3 6 9 12 15
y 9 36 81 144 225

Function B
x 5 10 15 20 25
y 8 16 24 32 40

The price of a lawn mower is x dollars. the store is having a 75% end of summer clearance sale. which expression can be used to find the clearance price of the mower? a) .25x b) .75x c) x - .25(75) d) x + .25(75)

Which is true regarding the graphed function f(x)?

Acylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. what is the radius of the cone? a) 3 cm b) 5 cm c) 7 cm d) 9 cm