Find the range of the given function y = 5x + 2, where x > -2.
1 answer:
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(x-25) = 7 multiply 5 to both sides first
-(x-25) = 35 then expand the brackets
-x+25=35 make x the subject now;
-x=10
x= -10
-(x-25) = 35 then expand the brackets
-x+25=35 make x the subject now;
-x=10
x= -10
Answer: option D
Step-by-step explanation:
Remember the cosine identity:
Given the right triangle DFE shown in the image, you can identify that the adjacent side and the hypotenuse for the angle F of this triangle are:
Now you can substitute values into and then reduce the fraction.
THerefore you get: