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Questions in Grade High-school

[Terjawab] Which statement verifies that [tex]f(x)[/tex] and [tex]g(x)[/tex] are inverses of each other? A. [tex]f(g(x))=x[/tex] B. [tex]f(g(x))=x[/tex] and [tex]g(f(x))=-x[/tex] C. [tex]f(g(x))=\frac{1}{g(f(x))}[/tex] D. [tex]f(g(x))=x[/tex] and [tex]g(f(x))=x[/tex]

[Terjawab] Consider the function [tex]f(x)=x^2+12 x+11[/tex] x-intercepts: [tex] \begin{array}{l} 0=x^2+12 x+11 \\ 0=(x+1)(x+11) \end{array} [/tex] y-intercept: [tex]f(0)=(0)^2+12(0)+11[/tex] What are the intercepts of the function? The [tex]x[/tex]-intercepts are $\square$ The [tex]y[/tex]-intercept is $\square$

[Terjawab] Last week, Mario tracked his spending, but did not keep a perfect record of where his money went. Fortunately, Mario does have all but one of his receipts. He enters all of the information he has into his expense spreadsheet as shown below. | | A | B | |---|---------------|----------| | 1 | Transaction | Amount | | 2 | Oil change | $18.95 | | 3 | Gas in car | $20.50 | | 4 | Lunch out | $12.68 | | 5 | Golfing | | | 6 | Total Spent | $87.33 | How much did Mario spend on golfing? A. $35.20 B. $45.20 C. $47.88 D. $143.96

[Terjawab] Which transformations can be used to carry $A B C D$ onto itself? The point of rotation is $(3,2)$. Check all that apply. A. Reflection across the line $y=2$ B. Reflection across the line $x=3$ C. Rotation of $90^{\circ}$ D. Translation two units down

[Terjawab] If [tex]$f(x)=-4 x^2+7 x-15$[/tex], what is [tex]$f(0)$[/tex]?

[Terjawab] [tex]\beta[/tex] - decay producing ${ }_{39}^{90} Y$

[Terjawab] The forward voltage drop across a silicon diode is about: a. 2.5 V b. 3 V c. 10 V d. 0.7 V

[Terjawab] ____ is the process of interpreting messages from others into meaning. A. Decoding B. Encoding C. Translating D. Filtering E. Communicating

[Terjawab] Complete the table using the given information. | Algebraic Expression | Value of the Variable | Value of the Expression | |---|---|---| | (a) 7d - 23 | d = 15 | | | (b) 9g + 20 | g = 10 | | | (c) u - 7 | u = 10 | | | (d) 2k + 6 | k = 0 | | | (e) 27y | y = 3 | | | (f) 12 รท 2z | z = 2 | | | (g) 50w - 25 | w = 15 | |

[Terjawab] Write the comparative and superlative form of the following adjectives: 1. small 2. big 3. weak 4. dangerous 5. slow 6. pretty 7. safe 8. beautiful 9. fat 10. sad