Given h(t)=2t+1 and g(t)=2t+2 find (g•h)(t)

4 t^2 + 6 t + 2

Step-by-step explanation:

h(t)=2t+1 and g(t)=2t+2

(g•h)(t) = (2t+1) (2t+2)

 FOIL

first: 2t*2t = 4t^2

inner : 2t*1 =2t

outer: 2t*2 =4t

Last : 2*1 =2

Add them together

4 t^2 + 2 t+4t + 2

4 t^2 + 6 t + 2

answer: ♡♡♡♡♡♡♡♡♡♡

step-by-step explanation:

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm