Question

If it takes someone tt minutes to drive, run, or walk a mile, then their average speed s(t)s(t), in miles per hour, is given by the formula

s (t)=60/t for t>0

Find s (1) and s (10)

s(1)

s(10)

A painting is purchased as an investment for $125$125. If its value increases continuously so that it doubles every 66 years, then its value is given by the function

V(t)=125⋅2

2t/6V(t)=125⋅2t/6 for t≥0t≥0

Let f(x)= x^3+, Evaluate the following

a.f(a)+2 =

b.f(a+2)=

c.f(g+c)

d.f(g+c)

Let f(x)=1/x-2 and g (x)=1/x+4

a.f(1/2)=

b. g(1/2)=

c.f(-1/3)=

d. g(-1/3)=

Answer 1

② Cliven that the average speed Sit) - 60 Ž tro Jw S(1) 60 - 60 mie 1 S(10) 60 10 mih ③ let f(n) = n3 then f (a)= a3 so f(a) +2 = 9372 flate) = (2+2)3 $(9+c] =1976]} 1 n44 2 2 6 if f(n) = Lig(n)= La f(1) = ? 69(4) - 0 401):*: D 213)- 9 3 +9 !!