Questions in mathematics

Questions in mathematics

📝 Answered - Which graph is the graph of this function? [tex]f(x)=\left\{\begin{array}{cl}3 \sqrt{x+1} & \text { if } 0 \leq x\ \textless \ 3 \\5-x & \text { if } 3 \leq x \leq 5\end{array}\right.[/tex] A. graph A B. graph B C. graph C D. graph D

📝 Answered - Express the set $x \geq 2$ using interval notation.

📝 Answered - Express the following in correct scientific notation: [tex]$\begin{array}{c} 94 \times 10^3 \ {[?] \times 10^{[?]}} \end{array}$[/tex] Enter the coefficient and the exponent.

📝 Answered - Given that f(x) = square root x, which equation describes the graph of function g?

📝 Answered - Find the value of x if one angle of a parallelogram is x+50 and another angle is x.

📝 Answered - Simplify the following expression: $-y(3 z-2 m)$

📝 Answered - Evaluate the integral, using the substitution [tex]$u=1+\cos ^{12}(x)$[/tex]. [tex]$\int\left(1+\cos ^{12}(x)\right)^9 \cos ^{11}(x) \sin (x) d x$[/tex] 1. Using [tex]$u=1+\cos ^{12}(x)$[/tex], what is [tex]$d u$[/tex]? [tex]$d u=$[/tex] [ ] [tex]$d x$[/tex] 2. What is the integral after substitution (i.e., in terms of [tex]$u$[/tex] ?) [tex]$\int$[/tex] [ ] [tex]$d u$[/tex] 3. What do you get by integrating the previous answer? [ ] Give in terms of [tex]$u$[/tex]. Don't forget [tex]$+C$[/tex] 4. What is the final answer? [ ] Answer in terms of original variable.

📝 Answered - Which equation represents an exponential function that passes through the point $(2,80)$? $f(x)=4(x)^5$ $f(x)=5(x)^4$ $f(x)=4(5)^x$ $f(x)=5(4)^x$

📝 Answered - If [tex]$\vec{a}$[/tex] is parallel to [tex]$\vec{b}$[/tex], then the value of [tex]$\vec{a} \cdot \vec{b}$[/tex] is equal to a) [tex]$\vec{a} \times \vec{b}$[/tex] b) [tex]$90^{\circ}$[/tex] c) 0

📝 Answered - A spinner is divided into eight equal-sized sections, numbered from 1 to 8, inclusive. Which statements are true about spinning the spinner one time? Choose three correct answers. * If a subset [tex]$A$[/tex] represents spinning a number less than 4, then [tex]$A={1,2,3,4}$[/tex]. * If A is a subset of [tex]$S$[/tex], A could be [tex]${1,2,3}$[/tex]. * If A is a subset of [tex]$S$[/tex], A could be [tex]${7,8,9}$[/tex]. * [tex]$S={1,2,3,4,5,6,7,8}$[/tex] * If a subset A represents the complement of spinning an odd number, then [tex]$A ={2,4,6,8}$[/tex].