Giả sử b, c ∈ R. Ta định nghĩa ánh xạ T : R3 → R mũ 2 như sau T(x, y, z) = (2x − 4y + 3z + b, 6x + cxyz)

Tìm b và c để ánh xạ T là tuyến tính.

Pls! does anybody know a shortcut for answering these types of questions in the future?

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo

Given the numbers c = –3 and d = 4, which statement is true? a. |–c| = 3 and |–d| = –4 b. |–c| = 3 and –|d| = –4 c. –|c| = –4 and –|d| = 3 d. |–c| = 3 and –|d| = 4