Which relation below is not a function? A {(2,8)3,-10)(-1,190,-1)}
B {(-3,8}(4,-63-2,63-9,81)
C {(1,9)(5,-8)(-1,3/-2,4)}
D {(1,6)(8,-3)(-1,-6)(8,21}

Answer

D is not a function

Step-by-step explanation:

In the x-values, there is a repeating 8.

the height of the surface increases from the center out to the sides of the road

it is c!

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.