The worldwide sales of flash memory chips (in billions of dollars) is approximated by S(t) = 4.3(t + 2)0.94 (0 ≤ t ≤ 6)
where t is measured in years, with t = 0 corresponding to 2002. Flash chips are used in cell phones, digital cameras, and other products.†
(a)
What were the worldwide flash memory chip sales in 2002, in billions of dollars? (Round your answer to two decimal places.)
$
billion
(b)
What were the estimated sales for 2007, in billions of dollars? (Round your answer to two decimal places.)
$
billion
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14

step-by-step explanation:

step-by-step explanation:

asnwer is (g o h o f)(x) = 2x - 6/x + 7

step-by-step explanation:

given,

f(x) = x - 3/x

g(x) = x + 3

h(x) = 2x + 1

we need to find : (g o h o f)(x)

we can write (g o h o f)(x) = g[ h{ f(x) } ]

so first we find h{f(x)}

h{f(x)} = f(x) + 3 = (x - 3/x) + 3

h{f(x)} = x - 3/x + 3

now we find g[ h{ f(x) } ].

g[ h{ f(x) } ] = g(x - 3/x + 3)       {plug h{f(x)} = x - 3/x + 3 in g[h{f(x)}] }

g(x - 3/x + 3) = 2 (x - 3/x + 3) + 1

                    = 2x - 6/x + 6 + 1

                    = 2x - 6/x + 7

hence we get (g o h o f)(x) = 2x - 6/x + 7