Answer:
x² - 2x - 8
Step-by-step explanation:
The notation (f·g)(x) means to multiply the two functions. Use the distributive property to simplify.
(f·g)(x) = (x+2)(x-4) = x² + 2x - 4x - 8 = x² - 2x - 8
Answer:
$28.84
Step-by-step explanation:
That's for the first one that I found, the two other problems I don't know yet.
Area of Rhombus =

Diagonal DB = 2×8 = 16
To find AC, we substitute into the formula the area 168 in² and DB of 16 in
Area =




inches
Answer: B