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Questions in Grade College

[Jawaban] Expand log(x^3 / y^3).

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] Simplify $\left(-s^2+s-1\right)-\left(s^2-s+1\right)$.

[Jawaban] Evaluate the limit $\lim _{x \rightarrow \infty} \frac{1+6 x}{5-2 x}$

[Jawaban] The United States and Europe put pressure on South Africa in the form of A. sabotage B. sanctions C. segregation D. separation

[Jawaban] The "Little Albert" experiment, despite its significance, is considered highly controversial by modern standards because of: A. Ethical concerns regarding the infant participant B. Its focus on animal behavior C. Its failure to demonstrate learning D. Its lack of clear results

[Jawaban] The equation of a circle is $x^2+(y-10)^2=16$. The radius of the circle is $\square$ units. The center of the circle is at $\square$

[Jawaban] Using the definition of the derivative, find $f^{\prime}(x)$. Then find $f^{\prime}(1), f^{\prime}(2)$, and $f^{\prime}(3)$ when the derivative exists. $f(x)=-x^2+2 x-2$ $f^{\prime}(x)=$ $\square$ (Type an expression using $x$ as the variable.) Select the correct answer below and, if necessary, fill in the answer box to complete your choice. A. $f(1)=$ $\square$ (Type an integer or a simplified fraction.) B. The derivative does not exist. Select the correct answer below and, if necessary, fill in the answer box to complete your choice. A. $f^{\prime}(2)=$ $\square$ (Type an integer or a simplified fraction.) B. The derivative does not exist. Select the correct answer below and, if necessary, fill in the answer box to complete your choice. A. $f^{\prime}(3)=$ $\square$ (Type an integer or a simplified fraction.) B. The derivative does not exist.

[Jawaban] Which sentence uses a reflexive pronoun correctly? A. They bought concert tickets for me and themselves. B. The band signed autographs for my friends and myself. C. My friend got the band to take a photo with herself. D. They seemed to feel genuinely appreciated by ourselves.

[Jawaban] Select the correct answer. What is this expression in simplified form? $\frac{\sqrt{6}}{\sqrt{23}}$ A. $\frac{\sqrt{138}}{\sqrt{23}}$ B. $\frac{\sqrt{14}}{21}$ C. $\frac{\sqrt{138}}{23}$ D. $\frac{14 \sqrt{3}}{7}$