Precalculus Function Domains

Domain of y = 1/x

• (-∞, ∞)

• (-∞, 0) ∪ (0, ∞)

• (-∞, 0)

• (0, ∞)

Describe the interval(s) over which the given function is decreasing.

• (-∞, 0) U (2, ∞)

• (5, -4) U (0, -3)

• (-3, 0) U (2, 3)

• (2, 3)

• y = √x
• y = 1/x
• y = log x
• y = 2^x

Tags

CCSS.HSF-IF.C.7D

• Logarithmic
• Square Root
• Exponential
• Rational

Tags

CCSS.HSF-IF.C.7D

• y = √x
• y = 1/x
• y = log x
• y = 2^x

Tags

CCSS.HSF-IF.C.7E

• Logarithmic
• Square Root
• Exponential
• Rational

Tags

CCSS.HSF-IF.C.7E

• y = √x
• y = 1/x
• y = log x
• y = 2^x

Tags

CCSS.HSF-IF.C.7E

• Logarithmic
• Square Root
• Exponential
• Rational

Tags

CCSS.HSF-IF.C.7E

• y = x²
• y = x³
• y = | x |
• y = x

• y = x²
• y = x³
• y = | x |
• y = x