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Questions in Grade College

[Homework Help] Consider the function [tex]f(x)=\left\{\begin{array}{ll}x^2-5 x & \text { if } x\ \textless \ 3 \\ 7 x-4 & \text { if } x \geq 3\end{array}\right.[/tex]. Evaluate [tex]\lim _{x \rightarrow 3^{-}} f(x)[/tex] and [tex]\lim _{x \rightarrow 3^{+}} f(x)[/tex]. A. [tex]\lim _{x \rightarrow 3^{-}} f(x)=-6[/tex] [tex]\lim _{x \rightarrow 3^{+}} f(x)=-6[/tex] B. [tex]\lim _{x \rightarrow 3^{-}} f(x)=-6[/tex] [tex]\lim _{x \rightarrow 3^{+}} f(x)=17[/tex] C. [tex]\lim _{x \rightarrow 3^{-}} f(x)=17[/tex] [tex]\lim _{x \rightarrow 3^{+}} f(x)=-6[/tex] D. [tex]\lim _{x \rightarrow 3^{-}} f(x)=17[/tex] [tex]\lim _{x \rightarrow 3^{+}} f(x)=17[/tex]

[Homework Help] Which functions are odd? Choose two correct answers. [tex]f(x)=4 x+9[/tex] [tex]f(x)=\frac{1}{x}[/tex] [tex]f(x)=x^3-x^2[/tex] [tex]f(x)=x^5-3 x^3+2 x[/tex]

[Homework Help] Study the solutions of the three equations on the right. Then, complete the statements below. There are two real solutions if the radicand is $\square$ There is one real solution if the radicand is $\square$ There are no real solutions if the radicand is $\square$ 1. $y=-16 x^2+32 x-10$ $x=\frac{-32 \pm \sqrt{384}}{-32}$ 2. $y=4 x^2+12 x+9$ $x=\frac{-12 \pm \sqrt{0}}{8}$ 3. $y=3 x^2-5 x+4$ $x=\frac{5 \pm \sqrt{-23}}{6}$

[Homework Help] 4) [tex]$\left(2^{-4}\right)^{-3}$[/tex]

[Homework Help] When writing a thank-you message, you should begin by A. thanking the reader B. asking a question C. advertising other services D. discussing your qualifications

[Homework Help] Which graph matches the equation $y+3=2(x+3)$?

[Homework Help] Which of the following characteristics are shared by all living things? Select all that apply. the ability to acquire energy the ability to use energy the ability to use energy for movement the ability to convert solar energy into chemical energy

[Homework Help] A 50-year-old woman has hot flashes and mood swings. Labs show low estradiol and high FSH. No visual changes or nipple discharge are reported. Which dysfunction best fits her findings? A) Pituitary suppression reducing hormone output B) Ovarian failure reducing hormonal feedback C) Prolactin excess lowering estrogen levels D) Thyroid activity causing menstrual disruption

[Homework Help] Which of the following refers to the expected effect that exercise has on the heart?

[Homework Help] What effect does a convex lens have on distant objects? a. It makes them appear larger and clearer b. It blocks light from passing c. It spreads light rays from the object d. It makes them appear smaller