Answer:
See attached graph
Step-by-step explanation:
The function is given as :
y = -2cos(21x)
27/63= .4285
Which is the answer
Answer:
25,000
Step-by-step explanation:
Since 7 is greater than 5 the 4 rounds up to a 5
Answer:
Step-by-step explanation:
The problem solver "completed the square." He or she took half of the coefficient of x and squared the result, and then added this square and subtracted this square to/from both sides of the equation.
Answer:
1. 1458
2. 500 or -500
Step-by-step explanation:
1. a4=54, a5=162
r = 162/54 = 3
a7 = a5 × r²
= 162 × 3² = 1458
2.a4=-4, a6=-100
r² = -100/-4 = 25
r = +/- 5
a7 = a6 × r
= -100 × +/- 5
= +/- 500
