Perform the Indicated Operation $$\frac { x } { x + 7 } + \frac { - 7 } { x + 7 }$$

question 190

Multiple Choice

Perform the indicated operation. Simplify if possible.
- $$\frac { x } { x + 7 } + \frac { - 7 } { x + 7 }$$

• A) \(\frac { - 7 x } { x ^ { 2 } + 14 x + 49 }\)
• B) \(- 1\)
• C) \(\frac { - 6 x } { x + 7 }\)
• D) \(\frac { x - 7 } { x + 7 }\)

Understand the social and economic changes in post-World War II America.

Recognize the impact of the Cold War on American society and international relations.

Identify the role of consumerism and technology in shaping the 1950s American lifestyle.

Analyze the influence of media and popular culture in postwar America.

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Definitions:

Dominant

Referring to an allele or a gene that expresses its phenotype even in the presence of a recessive allele of the same gene.

Genotype

The genetic makeup of an organism consisting of all the DNA sequences (genes) it possesses, determining specific traits.

RR Parent

Refers to a plant that is homozygous for the round seed shape allele in Mendelian genetics, "RR" signifies both alleles for a trait are the same (dominant).

Dominant Phenotype

The observable trait or characteristics of an organism that masks the effect of a recessive allele; it is expressed in the phenotype when a dominant allele is present.