Question 1 6 pts
The absolute value function can be defined using piecewise
notation.
A (2x) = x, x > 0
A (x) = -2, x < 0
Use this notation to find the following values:
1. A (10) =
I
2. A (0) =
3. A(-3) =
4. A (3.14159) =
5. A (2) = 7; x =
and x =

What is the inverse of the function f(x) = 2x + 1?

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Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4