Select the correct answer from each drop-down menu. Look at this expression, and complete the statements. 3x + 2(x + 2) + 4 In the first term, 3 is In the second term, (x + 2) is In the last term, 4 is

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Solve the equation by completing the square. x^2+2x=17