Determine the Inverse of y = 4.2 - 4 Is the Inverse a Function?
y = +/*+1 no, y-t is not a function
yl=
= V12+1 yes, y is a function
y1 = +/
1 - 1
4
no, y-l is not a function
t
-2 -1 yes, y-l is a function

Write the sentence as an equation. b increased by 281 is d

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6