Find the domain.f(x) = 
A. {x|x ? 13} or [13, ?)
B. {x|x ? 13} or (-?, 13]
C. All real numbers or (-?, ?)
D. {x|x ? -13} or (-?, -13]
Answer: C
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Solve the problem.Mendel found no dominance in snapdragons with respect to red and white flower color. When pure red (RR) and pure white (rr) parents are crossed, the resulting Rr combination (one of each gene) produces second generation offspring with pink flowers. Suppose one of these second generation pinks is crossed with a pure red. What is the probability that the resulting snapdragon will have white flowers?
A. 0.25 B. 0.75 C. 0.5 D. 0
Solve for R2:
VT(R1) V1 = ÄÄÄÄÄÄÄ R1 + R2 a. RT(R1 - V1) R2 = ÄÄÄÄÄÄÄÄÄ VT b. R1(VT + V1) R2 = ÄÄÄÄÄÄÄÄÄÄÄ VT c. R1VT R2 = ÄÄÄÄÄÄÄÄÄ (VT + V1) d. R1VT R2 = ÄÄÄÄÄÄÄ V1 + VT e. R1(VT - V1) R2 = ÄÄÄÄÄÄÄÄÄÄÄ V1
Use a product-to-sum identity to rewrite the expression.sin 38° sin 50°
A. 0.5(cos(-12°) - cos(88°) ) B. 0.5(cos(88°) + cos(-12°) ) C. 0.5(sin(88°) + sin(-12°) ) D. 0.5(sin(-12°) - sin(88°) )
Write as a percent. Round the percent to the nearest tenth if necessary.
A. 800% B. 8% C. 0.8% D. 80%