Let, f(x)=sinx-cosx ;[-π,π). find (a) the intervals on which f is increasing. (b) the intervals on which f is decreasing. (c) the intervals on which f is concave up (d) the open intervals on which f is concave down and (e) the x-co ordinates of all inflection points​

Which best describes the transformation that occurs in the graph? a) dilation b) reflection c) rotation d) translation

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).