Answer the Question About the Given Function $f ( x ) = 3 x ^ { 2 } - 6 x + 7$

question 158

Multiple Choice

Answer the question about the given function.
-Given the function $f ( x ) = 3 x ^ { 2 } - 6 x + 7$ , what is the domain of $f$ ?

• A) all real numbers
• B) \(\{ x \mid x \geq 1 \}\)
• C) \(\{ x \mid x \leq 1 \}\)
• D) \(\{ x \mid x \geq - 1 \}\)

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Definitions:

Locus

(pl., loci) The place on the chromosome at which the gene for a given trait occurs (i.e., a segment of the chromosomal DNA containing information that controls some feature of the organism); also called gene locus.

Homozygous

Having a pair of identical alleles for a particular locus. Compare with heterozygous.

Heterozygous

Describes an individual having two different alleles for a specific gene.

Alleles

Genes governing variation of the same character that occupy corresponding positions (loci) on homologous chromosomes; alternative forms of a gene.