Describe the Domain and Range of the Function $f ( x , y ) = \sqrt { 49 - x ^ { 2 } - y ^ { 2 } }$

question 69

Multiple Choice

Describe the domain and range of the function. $f ( x , y ) = \sqrt { 49 - x ^ { 2 } - y ^ { 2 } }$

• A)domain: The disk \(x ^ { 2 } + y ^ { 2 } < 49\) range: The interval (0,7)
• B)domain: The disk \(x ^ { 2 } + y ^ { 2 } < 49\) range: The interval [0,7]
• C)domain: The disk \(x ^ { 2 } + y ^ { 2 } \leq 49\) range: The interval [0,7)
• D)domain: The disk \(x ^ { 2 } + y ^ { 2 } \leq 49\) range: The interval [0,7]
• E)domain: The disk \(x ^ { 2 } + y ^ { 2 } < 49\) range: The interval [0,7)

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Definitions:

Retirement Savings

Funds accumulated for retirement, often involving tax advantages, through vehicles such as 401(k) plans, IRAs, or annuities.

AGI

Adjusted Gross Income, an individual's total gross income minus specific deductions, used in the United States tax system to determine taxable income.

Dependent Daughters

This term is not an official tax term but generally refers to daughters who qualify as dependents on someone's tax return due to financial support and other IRS criteria.

AGI

Adjusted Gross Income, which is gross income minus allowable deductions, used to determine taxable income on an individual's federal income tax return.