If angle 3 is 4x+1 and angle 4 is 7X+3. what are the measures of angle 3 and 4? ​

Mp model with mathematics explain how the number of text messages dario sent and the cost form an arithmetic sequence.then write an expression to find dario's text messaging bill if he sends n text messages over 250.

For the function, f(x) = -5x 2, find f(-4).

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1