Questions in Grade College

Questions in Grade College

[Done] Which of the following shows the extraneous solution to the logarithmic equation? [tex]$\log _4(x)+\log _4(x-3)=\log _4(-7 x+21)$[/tex] A. [tex]$x=-7$[/tex] B. [tex]$x=-3$[/tex] C. [tex]$x=3$[/tex] and [tex]$x=-7$[/tex] D. [tex]$x=7$[/tex] and [tex]$x=-3$[/tex]

[Done] Giselle used the table to predict the cost of one year of college. | Category | Estimated Cost 2017-2018 | | :------- | :----------------------- | | tuition | $12,450 | | room and board | $10,125 | | transportation | $2,600 | | books and fees | $2,250 | | other | $1,250 | Giselle predicts that she will receive a grant for $4,000. If she has 4 years in which to save, what is the minimum monthly amount she should deposit in an interest bearing savings account to be able to pay her contribution for one year of college? A. $400 B. $500 C. $600 D. $700

[Done] Which set of ordered pairs could be generated by an exponential function? (1,1), (2, 1/2), (3, 1/3), (4, 1/4) (1,1), (2, 1/4), (3, 1/9), (4, 1/16) (1, 1/2), (2, 1/4), (3, 1/8), (4, 1/16) (1, 1/2), (2, 1/4), (3, 1/6), (4, 1/8)

[Done] \frac{n^2}{2} \div \frac{3}{10}

[Done] Solve $5x + y = -3$ for $y$. A. $y = 5x + 3$ B. $y = -5x + 3$ C. $y = 5x - 3$ D. $y = -5x - 3

[Done] Which of the following is "Twelfth Night?" A. New Year's Day B. "The Flight into Egypt" C. The Feast of the Epiphany/Noche de reyes D. The day after Christmas

[Done] The domain of [tex]f(x)[/tex] is the set of all real values except 7, and the domain of [tex]g(x)[/tex] is the set of all real values except -3. Which of the following describes the domain of [tex](g \circ f)(x)[/tex]? A. all real values except [tex]x \neq-3[/tex] and the [tex]x[/tex] for which [tex]f(x) \neq 7[/tex] B. all real values except [tex]x \neq-3[/tex] and the [tex]x[/tex] for which [tex]f(x) \neq-3[/tex] C. all real values except [tex]x \neq 7[/tex] and the [tex]x[/tex] for which [tex]f(x) \neq 7[/tex] D. all real values except [tex]x \neq 7[/tex] and the [tex]x[/tex] for which [tex]f(x)=-3[/tex]

[Done] If $f(x)$ and its inverse function, $f^{-1}(x)$, are both plotted on the same coordinate plane, what is their point of intersection?

[Done] Which of these investment types is considered moderate? A. IRA B. Stocks C. Mutual fund D. Money market account

[Done] Calculate the short-term premium and refund for the policy (in $). Use Table 19-5, if necessary. | Annual Premium | Canceled After | Canceled By | Short-Term | | | :------------- | :------------- | :---------- | :--------- | :----- | | | | | Premium | Refund | | $590 | 25 days | insured | 5 | |