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Questions in mathematics

📝 Answered - Which statement describes the domain of the function [tex]$f(x)=\frac{3 x}{4 x^2-4}$[/tex]? A. all real numbers B. all nonzero real numbers C. all real numbers except [tex]$x=\frac{3}{4}$[/tex] D. all real numbers except [tex]$x=-1$[/tex] and [tex]$x=1$[/tex]

📝 Answered - What is the range of the function $y=\sqrt{x+5}$? A. $y \geq-5$ B. $y \geq 0$ C. $y \geq \sqrt{5}$ D. $y \geq 5

📝 Answered - e) $\frac{2}{3}\left(\frac{1}{2}-\frac{6}{5}+\frac{3}{4}\right) \div(-1+0,4+1,5)=$

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

📝 Answered - Sample: Thucy 2/7/2025 6 2 8 7 5 3 3 (iii) Exercises EXERCISE 15.1 (1) 11 2 (2) (4) 9 Answer questions 1 - 12. (3) 5 (5) 5 (6) 16 ARM AND YOU​

📝 Answered - If [tex]f(x)=(x^m+9)^2[/tex], which statement about [tex]f(x)[/tex] is true? A. [tex]f(x)[/tex] is an even function for all values of [tex]m[/tex]. B. [tex]f(x)[/tex] is an even function for all even values of [tex]m[/tex]. C. [tex]f(x)[/tex] is an odd function for all values of [tex]m[/tex]. D. [tex]f(x)[/tex] is an odd function for all odd values of [tex]m[/tex].

📝 Answered - The purpose of solving equations is to solve application problems. True False

📝 Answered - Choose the correct solution. Note: Only the overlapping solution region is shaded. If a graph has no shading, it means that there is no overlap. -2x-3y≥ 12 x - 5y ≤ 20 x≥0

📝 Answered - \(\left(-\frac{7}{4}\right) \div 4 \frac{2}{3}\)

📝 Answered - A political polling agency predicts candidate A will win an election with $54 \%$ of the votes. Their poll has a margin of error of $4 \%$ both above and below the predicted percentage. Which inequality represents the predicted possible percent of votes, $x$, for candidate $A$? A. $50 \leq x \leq 58$ B. $x \geq 50$ or $x \leq 58$ C. $x \geq 52$ or $x \leq 56$ D. $52 \leq x \leq 56$