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Mathematics 9 Online
OpenStudy (thomasfire55):

Find the range of y = 4sin2x + 3. a)1 ≤ y ≤ 7 b)-4 ≤ y ≤ 4 c)-7 ≤ y ≤ 7 d)-1 ≤ y ≤ 7

OpenStudy (triciaal):

do you mean sin squared x or sin (2x) ?

OpenStudy (thomasfire55):

just 2x

OpenStudy (thomasfire55):

?

OpenStudy (triciaal):

multiple guess I guess D sin between -1 and 1 multiply by 4 so -4 and 4 then add 3

OpenStudy (thomasfire55):

thank you

OpenStudy (triciaal):

welcome

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