Remember that, although it may look intimidating, (f+g)(x) is simply f(x) + g(x)
Therefore:
(f+g)(x) = f(x) + g(x) Substitute the functions for f(x) and g(x)
(f+g)(x) = (2x² + 1 )+ (x² - 7)
Notice that we first want to write the functions in as parenthesis before we add them. This helps us keep from getting confused on what signs to give each term.
(f+ g)(x) = 2x² + x² + 1 - 7 Collect like terms
(f + g) (x) = 3x² - 6
Answer is B
Answer:divide the opposite sides, by the length of the hypotenuse. To get the cosine, divide the length of the adjacent side,by the length of the hypotenuse.
Step-by-step explanation:
divide the opposite sides, by the length of the hypotenuse. To get the cosine, divide the length of the adjacent side,by the length of the hypotenuse.
Answer:
Number of year(n) = 3.4 year (Approx)
Step-by-step explanation:
Given:
Purchase value of car = $27,000
Depreciation rate per year (d) = 18% = 0.18
Future price = half of its original value = $27,000 / 2 = $13,500
Find:
Number of year(n) = ?
Computation:
Number of year(n) = 3.4 year (Approx)
Answer:
x = 22.5
Step-by-step explanation:
