(56) If \( \log_{a}(x) = p \) and \( \log_{b}(x) = q \), what is \( \log_{ab}(x) \)?
- (a) \(p + q\)
- (b) \(p \cdot q\)
- (c) \(p – q\)
- (d) \(q – p\)
(57) If \( \log_{4}(16) = x \), what is the value of \( x \)?
- (a) 2
- (b) 3
- (c) 4
- (d) 1
(58) If \( \log_{3}(81) = x \), what is the value of \( x \)?
- (a) 4
- (b) 3
- (c) 2
- (d) 1
(59) If \( \log_{a}(x) = p \) and \( \log_{b}(x) = q \), what is \( \log_{ab}(x) \)?
- (a) \(p + q\)
- (b) \(p \cdot q\)
- (c) \(p – q\)
- (d) \(q – p\)
(60) Solve for \( x \) in the equation \( 7^x = 343 \).
- (a) 3
- (b) 2
- (c) 4
- (d) 5