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Questions in Grade College

[Jawaban] Evaluate the expression: $(-2)^2+\left(-4^2\right)+(18-23)$ A) -19 B) 19 C) 3 D) -17

[Jawaban] A medical center recently opened in a low-income community. It offers care for people with restricted health insurance plans or no insurance. The center is accessible by several forms of public transportation, so most people can reach it. Residents are grateful for the new center because they have been asking for better access to medical services. However, they note that the medical center is on the third floor of the building, and the building does not have a wheelchair ramp or an elevator. How does this scenario reflect a failure to implement equity? A. The medical center has not considered the specific needs of the disabled community. B. The medical center provides services only to people who can afford health insurance. C. The medical center can be used only by people who can drive or walk to the location. D. The medical center does not provide services that would be helpful to people in this area.

[Jawaban] Is [tex]$W$[/tex] a subspace of [tex]$V$[/tex]? If not, state why. Assume that [tex]$V$[/tex] has the standard operations. (Select all that apply.) [tex]$W=\left\{\left(x_1, x_2, x_3, 0\right): x_1, x_2,\text{ and } x_3 \text{ are real numbers }\right\}$[/tex] [tex]$V=R^4$[/tex] A. [tex]$W$[/tex] is a subspace of [tex]$V$[/tex]. B. [tex]$W$[/tex] is not a subspace of [tex]$V$[/tex] because it is not closed under addition. C. [tex]$W$[/tex] is not a subspace of [tex]$V$[/tex] because it is not closed under scalar multiplication.

[Jawaban] Which explains how to find the radius of a circle whose equation is in the form $x^2+y^2=z$? A. The radius is the constant term, $z$. B. The radius is the constant term, $z$, divided by 2. C. The radius is the square root of the constant term, $z$. D. The radius is the square of the constant term, $z$.

[Jawaban] Select the correct answer. Create and solve a linear equation that represents the model, where circles and a square are shown evenly balanced on a balance beam. A. [tex]$x+6=16 ; x=10$[/tex] B. [tex]$x+10=6 ; x=-4$[/tex] C. [tex]$x=6+10 ; x=16$[/tex] D. [tex]$x+6=10 ; x=4$[/tex]

[Jawaban] Which of the following is an example of a cash inflow? A. Receiving interest on a savings account. B. Buying groceries. C. Paying rent. D. Repaying a loan.

[Jawaban] All experiments start with a question. In order to formulate a hypothesis, or make a prediction about the outcome of an experiment, the question must be testable. Testable questions are those questions that can be answered through experiments and observations. They involve measurable variables and lead to observable outcomes that can be recorded and analyzed. On the other hand, non-testable questions usually involve opinions, personal beliefs, or other concepts that cannot be objectively quantified or measured. Which of the following questions is testable? (select all that apply) A. Am I a good singer? B. Why are daffodils the best flowers? C. Does the amount of sunlight affect the growth rate of tomato plants? D. Does changing the shape of a plane's wings affect its ability to fly? E. What is the meaning of life? F. Do different liquids freeze at different temperatures?

[Jawaban] The baby boom lasted until A. the early 1980s. B. the mid-1970s. C. the late 1950s. D. the mid-1960s.

[Jawaban] Draw the Lewis structure for the hypochlorite ion, $ClO^{-}$. Include lone pairs and formal charges.

[Jawaban] Find the net change in the value of the function between the given inputs. [tex]g(t)=1-t^2 ; \quad \text { from }-4 \text { to } 9[/tex]