Pre-Quiz Cal1

Over what interval(s) is f(x) increasing?

• (-∞, -3) ∪ (1, ∞)
• (-3, 1)
• (-5, 0) ∪ (2, ∞)
• (-5, ∞)

Over what interval(s) is f(x) decreasing?

• (-3, 1)
• (-∞, -5) ∪ (0, 2)
• (-∞, -3) ∪ (1, ∞)
• (-5, 0) ∪ (2, ∞)

• 17

• 0

• 22

• 21

• 20

• 19

• 18

in what value of x does the following function is discontinuous?

• 3

• -3

• 6

• -6

One of the conditions a function must satisfy to be continuous at a number is "f(c) must exist"

• TRUE

• FALSE

A piecewise function is continuous to any interval.

• TRUE

• FALSE

which of the following is First Principle formula?

Find the derivative of
f(x) = 5 - 2x using first principle

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