Pedro is bulding a spice rack with 4 shelves that are each 0.55 meter long. At the hardware store, Pedro finds that he can only buy the shelving in whole meter lengths. Exactly how many meters of shelving does Pedro need? Since he can only buy whole-number lengths, how many meters of shelving should he buy? Justify your thinking.

Consider the functions \( f(x)=x^{3}-3 \) and \( g(x)=\sqrt[3]{x+3} \). (a) Find \( f(g(x)) \). (b) Find \( g(f(x)) \). (c) Determine whether the functions \( f \) and \( g \) are inverses of each other.

\( \begin{array}{ll}\text { C. } D=\mathbb{R} & \text { D. } D=\mathbb{R} \backslash k 2 \pi \mid k \in \mathbb{Z} \\ \text { Câu 18. Rút gọn biểu thức } A=\sin \left(x+\frac{85 \pi}{2}\right)+\cos (2017 \pi+x)+\sin ^{2}(33 \pi+x)+\sin ^{2}\left(x-\frac{5 \pi}{2}\right) \text { ta được: } \\ \begin{array}{llll}\text { A. } A=\sin x & \text { B. } A=1 & \text { C. } A=2 & \text { D. } A=0\end{array}\end{array} \)

Median dari data berikut: \( 8,3,2,5,7,8,9,10,11,7,6,12,13 \) adalah .... A. 8 B. 7 C. 6 D. 5 E. 3

\( ( \frac { x ^ { 4 } - 2 x ^ { 3 } + x ^ { 2 } } { x ^ { 2 } } ) \quad ( \frac { 9 y ^ { 3 } - 3 y ^ { 2 } + 6 y } { 3 y } ) \quad ( \frac { 12 b ^ { 4 } - 6 b ^ { 3 } + 3 b ^ { 2 } } { 3 b ^ { 2 } } ) \)

4. Given the related function and vertices below, find the maximum value. * Related function: \( f(x, y)=3 x-y \) Vertices. \( (-1,2),(0,5) \), and \( (3,2) \).