Respuesta :
Answer:
-439
Step-by-step explanation:
s (x) =2-x^2
t (x)=3x
s (t(-7))
First find t(-7)
t (-7)=3*-7 = -21
Then find s(-21)
s(-21) = 2 -x^2 = 2 - (-21) ^2 = 2 -441 =-439
Answer:
-439
Step-by-step explanation:
s (x) =2-x^2
t (x)=3x
s (t(-7))
First find t(-7)
t (-7)=3*-7 = -21
Then find s(-21)
s(-21) = 2 -x^2 = 2 - (-21) ^2 = 2 -441 =-439