Answer
A. 23
step-by-step explanation

We put x=3 into the function g


Also,

we substitute the value of g(3) into f



Answer:
48+23(6)½
Step-by-step explanation:
A = l × w
A =[(8-(6)^½) × (9+4(6)^½)]
A =8(9+4(6)^½) + [-(6)^½(9+4(6)^½]
A =(72 + 32(6)^½ - 9(6)^½ - 24)
A =(72 - 24 + 32(6)^½ - 9(6)^½)
A =(48 + 23(6)^½)
Answer:
3.06417777
Step-by-step explanation:
cos(40)=x/4