Answer:
a. 21x-2
b. -28x-2
c. 7b-35x-2
Step-by-step explanation:
a. f(3)
7(3x)-2
21x-2
b. f(-4)
7(-4x)-2
-28x-2
c. f(b-5)
7(b-5x)-2
7b-35x-2
Answer:
166°
Step-by-step explanation:
Since ∠A = ∠B,
the equation below helps to find the value of x and angle A:
- 7x + 40° = 3x + 112°
- 7x - 3x = 112° - 40°
- 4x = 72°
- x = 72°/4
- x = 18°
- ∠A = 7*18° + 40° = 166°
The first one, decreasing then increasing
Take 82 1/2 ÷ 2 1/2 = - 36 1/3 ft per min