Algebra 2b u2 l6 function operations practice #4-7

let g(x) = 2x and h(x)= x^2 +4. find the value.

4 (h•g)(1)

a 2
b 8
c 10
d 16

5 (g•h)(0)

a 4
b 8
c 0
d 16

6 (h•)

a 31
b 58
c 77
d 104

7 (h•g)(a)

a 4a^2+a
b 2a^3+8
c 4a^2+8a
d 4a^2+4

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212