A sinusoid is cyclical and has a period or frequency.
y = sin x is a sinusoid, with a period of 2π.
y = √x is not a sinusoid.
y = cos x is a sinusoid with a period of 2π.
Answer: y = √x is not a sinusoid.
X=$7 | 1 Ticket= x | 1 Ticket = $7
B. (4, 4) is a solution to the equation.
Answer:
(a) is a real number as the answer is -3
(b) is not a real number as the answer is an imaginary number
Step-by-step explanation:
For (b), when you root a negative number, you will get an imaginary number which is not a real number
Answer:
300
Step-by-step explanation:
0.75 times 400 equals 300
