Can anyone help with this please

Mathematics

1 answer:

katovenus [111]3 years ago

4 0

Answer:

None

Step-by-step explanation:

Simply, the absence of s^-1 shows the answer as none

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If the points (4,2) (6,3) and (8,4) are on the graph of f, give three points on the graph of f^-1

Stels [109]

let's recall that an inverse function has the same pair of coordinates as the original function, but backwards, or namely the inverse's range is the original's domain.

$\bf \stackrel{f(x)}{\begin{array}{|cc|ll} \cline{1-2} 4&2\\ 6&3\\ 8&4\\ \cline{1-2} \end{array}}\qquad \qquad \stackrel{f^{-1}(x)}{\begin{array}{|cc|ll} \cline{1-2} 2&4\\ 3&6\\ 4&8\\ \cline{1-2} \end{array}}$

8 0

3 years ago

A population of beetles are growing according to a linear growth model. The initial population (week 0) is

klemol [59]

9514 1404 393

Answer:

18 weeks

Step-by-step explanation:

We are given the (time, population) pairs (0, 5) and (7, 47). With these values, we can use the two-point form of the equation of a line to write the equation of the linear model.

p = (p2 -p1)/(t2 -t1)(t -t1) +p1

p = (47 -5)/(7 -0)(t -0) +5

p = 6t +5 . . . . . the linear model matching the given points.

For p = 113, the time (number of weeks) is ...

113 = 6t +5

108 = 6t . . . . . . subtract 5

18 = t . . . . . . . . . divide by 6

After 18 weeks, the beetle population will reach 113.

6 0

3 years ago

Why isn't D the answer? Isn't it also positive and concave up?

ArbitrLikvidat [17]