Answer:
1
Step-by-step explanation:
This is because 13 is a primary number
Answer:
5x² - 2x - 9 = 0.
Is a example
Step-by-step explanation:
Answer:
c
5x=5x so when five Cross the=sign
5x-5x=0
Function y is a function of cosine transformed by some operations, so cos can take values from interval <-1;1>, which means that this function can take values from interval <-7;-1>. The minimum value is -7. The graph will be very helpuf in this task to understand.
