|
Test 2 Find the value of the real solution of ex +e-x = 4
(to 2 dp) At time t= 0 , a lake is stocked with 'k' fish n, is number of fish t is time in days and is modelled by equation: n= 3000+1450e0.04t Find the value of k Part 1 of 3 At time t= 0 , a lake is stocked with 'k' fish n, is number of fish t is time in days and is modelled by equation: n= 3000+1450e0.04t
Calc the increase in popln in 3 weeks (to nearest whole number) Part 2 of 3 At time t= 0 , a lake is stocked with 'k' fish n, is number of fish t is time in days and is modelled by equation: n= 3000+1450e0.04t Calc number of days for fish to reach 7000 (nearest day) Part 3 of 3 The following functions are defined: f(x) = 4(x-2) g(x) = x3 +1 h(x) = 3x
a) find f(7)=
b) find g(3)= Part 1 of 2 c) find h(0)=
d) find g-1(9)=
e) find fg(2) = The following functions are defined: f(x) = 4(x-2) g(x) = x3 +1 h(x) = 3x P 2 of 2 Find n(-3)
and n(3)
and lowest value of a such that n(a) = 50 A function is defined by
5-x x≤0 n(x) = x2 x>0 f is defined by
f: x → (2x+3) /(x-1)
xεℝ, x>1}
Find f-1 (12) =
The range of f-1(x) is f-1(x) >
The domian of f-1(x) is x > |