f(4) = 3×4^2+15
4^2=16
3×16
48+15
63
f(4)=63
Answer:
Step-by-step explanation: f(4)=3x^2+15
3(4)^2+15
3*16+15
3*16=48
48+15=63
Answer: A is the answer
The answer is 36
Step-by-step explanation:
180°
cos(x) = - 1 has only 1 solution in the required interval , that is
x = (- 1) = 180°
Answer:40