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  1. AP Pre Calculus
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Exponential and Logarithmic Functions

Question 1
college-boardPre-CalculusAPExam Style
1 mark

Suppose you have two functions defined by m(n)=n+12m(n)=n+12m(n)=n+12 and p(n)=n6p(n)=\frac{n}{6}p(n)=6n​; what value do you get for (m∘p)(18)(m \circ p)(18)(m∘p)(18)?

Question 2
college-boardPre-CalculusAPExam Style
1 mark

Can you determine the value of k(z) when k(z)=(qcircp)(z)k(z) = (q \\circ p)(z)k(z)=(qcircp)(z), assuming that p(t)=fract2p(t) = \\frac{t}{2}p(t)=fract2 and q(r)=rq(r) = rq(r)=r?

Question 3
college-boardPre-CalculusAPExam Style
1 mark

Given two functions, l(t)=t2l(t) = t^2l(t)=t2 and k(t)=tk(t) = \sqrt{t}k(t)=t​, what is the value of (k∘l)(9)(k \circ l)(9)(k∘l)(9)?

Question 4
college-boardPre-CalculusAPExam Style
1 mark

For $ f(g(h((j(k(l(m(n(o(p(q(r(s(t(u(v(w(y(z(a(b(c(d(e(f(g(h(i(j(k))))))))))))))))))))))))), which correctly describes its domain given each letter represents a polynomial or rational function?

Question 5
college-boardPre-CalculusAPExam Style
1 mark

What is the correct expression for (g∘f)(x)(g \circ f)(x)(g∘f)(x), where f(x)=4f(x) = 4f(x)=4 and g(t)=t+1g(t) = t + 1g(t)=t+1?

Question 6
college-boardPre-CalculusAPExam Style
1 mark

Given two functions where h(x)=(f∘g)(x)h(x) = (f \circ g)(x)h(x)=(f∘g)(x), if g(x)=x2−x+1g(x) = x^2 - x +1g(x)=x2−x+1 and h(x)=x4−x3+x2−x+1h(x) = x^4 - x^3 + x^2 - x +1h(x)=x4−x3+x2−x+1, what must be true about the function f(u)f(u)f(u)?

Question 7
college-boardPre-CalculusAPExam Style
1 mark

Given functions p(q)p(q)p(q) and q(r)q(r)q(r), which notation correctly represents composing ppp with qqq?

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Question 8
college-boardPre-CalculusAPExam Style
1 mark

Given two functions, h(x)=5x−4h(x)=5x-4h(x)=5x−4 and j(x)=x2j(x)=x^2j(x)=x2, what is the output of the composition function at x=0x=0x=0 for (j∘h)(x)(j \circ h)(x)(j∘h)(x)?

Question 9
college-boardPre-CalculusAPExam Style
1 mark

What does the composition function (k∘m)(x)(k \circ m)(x)(k∘m)(x) equal at (x=22)(x=22)(x=22) where k(x)=(x+33)k(x)=(x+33)k(x)=(x+33) and m(x)=(x2)m(x)=(x^2)m(x)=(x2)?

Question 10
college-boardPre-CalculusAPExam Style
1 mark

For the functions defined by p(t)=t2+6t+9p(t)=t^2+6t+9p(t)=t2+6t+9 and q(t)=−tq(t)=-tq(t)=−t, determine q(p(t))q(p(t))q(p(t)).