For the exponential problem, what is true about that problem is the answer B and D
Answer:
1; 31.2 2; 12.4 3; 30.8 4; 118.4 5; 16.53 (i ran out of time or else i wouldve finished, just use google for answers! ^_^)
done the rest, just Step-by-step explanation:
Answer:
"The sum of two rational numbers is rational."
By definition, a rational number can be expressed as a fraction with integer values in the numerator and denominator (denominator not zero). So, adding two rationals is the same as adding two such fractions, which will result in another fraction of this same form since integers are closed under addition and multiplication. Thus, adding two rational numbers produces another rational number.
P(x) = 1x^2 + bx + c
If -bi is a root, then +bi is the other root.
Thus, p(x) = (x+bi)(x-bi) = 1x^2 + b^2