Questions are attatched below, !   even if you're able to just solve 2 or 3 of them any is appreciated.

5. There are 3 roots

x = 0 and x = -4 (multiplicity 2) Degree 3.

6. x = -3, -5 and x = 5 (multiplicity 2) Degree 4.

3.4 pizzas

step-by-step explanation:

given is a scatter plot showing number of pizzas sold during weeks for different issues of coupon

y represents number of pizzas sold and x number of coupons issued

y is marked verticaly and x horizontally

the trend line is given as

y =3.4x+43

this says that even when no coupon is issued pizzas sold will be 43

and rate of change of pizza sold for 1 unit of coupon = slope = 3.4

i.e. when x increases by 1 unit y increases by 3.4 units

hence for each additional coupon issued 3.4 pizzas more will be sold

a

step-by-step explanation: