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Determine the Domain and the Range of the Function f(x)=x2+2xf ( x ) = - x ^ { 2 } + 2 x

Question 180

Multiple Choice

Determine the domain and the range of the function.
- f(x) =x2+2xf ( x ) = - x ^ { 2 } + 2 x


A) domain: {xx1}\{ x \mid x \leq 1 \}
range: {yy1}\{ y \mid y \leq 1 \}

B) domain: all real numbers
range: {yy1}\{ y \mid y \leq 1 \}

C) domain: {xx1}\{ x \mid x \leq - 1 \}
range: {yy1}\{ y \mid y \leq 1 \}

D) domain: all real numbers
range: {yy1}\{ y \mid y \leq - 1 \}

Correct Answer:

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