The scatter plot below shows the number of pizzas sold during weeks when different numbers of coupons were issued. the equation represents the linear model for this data.

y = 3.4x + 43

according to the model, what is the average number of pizzas sold in one night if no coupons are issued?

0

21

43

60

70

Solution:

The equation representing number of pizzas sold during weeks when different numbers of coupons were issued is

⇒y = 3.4 x + 43   (1)

the equation is linear, where

x=numbers of coupons  issued.

y =number of pizzas sold during weeks  

If number of coupons issued that is, x=0

Substituting the value of x, in equation (1) gives value of y

→y = 3.4 × 0 + 43

→y= 43

Average number of pizzas sold in one night if no coupons are issued=43

Option (C)→→43

b

step-by-step explanation:

it have 5 sides and 5 identicle angle.the rest does not have the same property as b.

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