Q48: Given <span class="ql-formula" data-value="f(x)=\frac{5}{x}"><span class="katex"><span
Q49: Let <span class="ql-formula" data-value="f(x)=\sqrt{a x+1}"><span
Q50: Let <span class="ql-formula" data-value="f(x)=x+8"><span class="katex"><span
Q51: Let <span class="ql-formula" data-value="f(x)=x^{2}+5"><span class="katex"><span
Q52: Let <span class="ql-formula" data-value="P=20 \ln
Q54: Is the function <span class="ql-formula"
Q55: Let <span class="ql-formula" data-value="f(x)=\frac{1}{7+x}"><span class="katex"><span
Q56: Find <span class="ql-formula" data-value="f(x)(g(x))^{2}"><span class="katex"><span
Q57: Let <span class="ql-formula" data-value="f(x)=\left(x^{2}+1\right)(x+2)"><span class="katex"><span
Q58: For positive numbers <span class="ql-formula"