Which situation represents a proportional relationship?
a. cost of purchasing a basket of oranges for $2.50 per pound plus $8 for the basket
b. the cost of purchasing peaches for $9 per box with the delivery change of $5
c. the cost of purchasing pears for $1.80 per pound with a coupon for $1 off per pound.
d. the cost of purchasing mangoes for $1.25 per
pound plus a shipping fee of $0.16.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

The description below represents function a and the table represents function b: function a the function is 5 more than 3 times x. function b x y −1 2 0 5 1 8 which statement is correct about the slope and y-intercept of the two functions? (1 point) their slopes are equal but y-intercepts are not equal. their slopes are not equal but y-intercepts are equal. both slopes and y intercepts are equal. neither slopes nor y-intercepts are equal.

What is the point slope form of a line with slope -5 that contains point (2,-1)