Answer:
0.3897
Step-by-step explanation: i g o o g l e it
Answer:
x=-5, x=-9
Step-by-step explanation:
x^2+45=-14x
add 14x to both sides
x^2+45+14x=-14x+14x
simplify
x^2+14x+45=0
solve using quadratic formula
a=1, b-14, c=45
x=-14±√14^2-4·1·45/2·1
(solve using a calculator or PEMDAS)
(solve for both + and -)
x=-5, x=-9
Answer:
B
Explanation:
-42 is a integer, but not irrational, and whole numbers are all positive except for 0.
Answer:
we can draw the graph of cosine with amplitude 2.
Step-by-step explanation:
In the given function g(x) = 2cosx we know the following parameters which are helpful to draw the graph.
Its a cosine graph given in the form of y = acos(Bx + c) + d
Here a is amplitude, period = 
, c = phase shift, d = vertical shift
We know a = 2, B = 
, c = 0, d = 0.
