Find the inverse of the function and state its domain and range .{(3, -2), (2, -3), (-8, 3), (8, -3)}
A. {(-3, -8), (-8, 2), (-2, 3), (3, 8)}; D = {-3, -8, -2, 3}; R = {-8, 2, 3, 8}
B. {(-3, -8), (-3, 2), (-2, 2), (3, 8)}; D = {(-3, -3, -2, 3}; R = {-8, 2, 8}
C. {(-2, 3), (-3, 2), (3, -8), (-3, 8)} D = {-2, -3, 3, -3}; R = {3, 2, -8, 8}
D. 
D = { 3, 2, -8, 8}, R = 
Answer: C
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A. {-1.865, 3.860} B. {-1.831, 3.900} C. {-1.828, 3.886, 9.035} D. {-1.828, 3.886}
Find the domain of the rational function.f(x) = 
.
A. {x|x ? 3, x ? -3, x ? -5} B. {x|x ? -3, x ? 5} C. all real numbers D. {x|x ? 3, x ? -5}
Write a matrix to display the information.A company makes 3 types of cable. Cable A requires 3 black wires, 3 white wires, and 2 red wires. Cable B requires 1 black, 2 white, and 1 red. Cable C requires 2 black, 1 white, and 2 red. Make a 3 × 3 matrix showing the wire requirements. Assign the cable types to the rows and the wire types to the columns.
A. 
B. 
C. 
D. 
Solve the problem.A rumor spreads through a community of 800 people at the rate 
= 0.1(800 - N)N1/2where N is the number of people who have heard the rumor at time t (in hours). Use Euler's method with h = 0.5 to find the number who have heard the rumor after 1.5 hours, if 1 person heard it initially.
A. about 681 people B. about 702 people C. about 711 people D. about 719 people